Showing posts with label spring bulbs. Show all posts
Showing posts with label spring bulbs. Show all posts

Thursday, August 15, 2019

Anemones - Tears of Aphrodite


Anemone blanda - blue shades



"Anemone" translated from Greek, means "wind", for it was believed that spring winds caused them to bloom. Just as the winds caused them to bloom, so the zephyrs blew fragile petals away.

Anemones are native to the Mediterranean region where winters are warm and summers are dry. There they have a rich heritage in legend and history. Two species are widely available: A. blanda, and A. coronaria.


Anemone blanda 'Pink Star'Aphrodite's Tears

Grecian Wind Flower

Anemone blanda is known as Grecian Wind Flower. According to legend, the flowers sprang from the tears of Aphrodite as she mourned the death of Adonis. The name evokes romantic scenes of ancient temples, and rocky hills swept by Mediterranean breezes. Certainly, the scene gives a clue to its preferred habitat.

The name, blanda, does not mean "boring", as our contemporary parlance suggests. Blanda means "pleasant" or "mild." It is pleasant, indeed!

A. blanda is reliably hardy in USDA climate zones 6 through 8. Full sun to partial shade is best; morning sun to light shade throughout the day in southern regions. Well-drained soil is essential. The plant naturalizes readily to spread a spring-time carpet of light blue, pink or white daisy-like flowers on 6" to 8" stems. The fern-like foliage is also quite attractive. In addition to naturalizing, Anemone blanda is desirable for bulb and rock gardens, perennial borders, container and patio gardens.

 

Spanish Marigold

Poppy Anemone

Anemone coronaria is known as Poppy Anemone, Spanish Marigold, and Florist's Anemone. The flower shape and size is very much like that of a poppy. The name, coronaria, refers to the wreath-like appearance of the stamens.

Poppy Anemone - Anemone coronariaThere are two groups of Poppy Anemone widely available: De Caen and St. Brigid.

De Caen anemones produce flowers in bright shades of red, white, blue and pink. They are so-named because they were typically cultivated in the De Caen region of France.

St. Brigid anemones produce double-petal flowers in the same shades. That name was given because they were cultivated in Ireland, and St. Brigid is one of Ireland's patron saints.

A. coronaria is not as cold-tolerant as A. blanda, being reliably hardy in USDA climate zones 8 through 10. However, it tolerates heat much better. Sun exposure and soil moisture requirements for A. coronaria are the same as for A. blanda. These are excellent for bulb gardens, perennial borders, container and patio gardens. They're excellent for cut flower arrangements, too.

Planting and Growing Tips


Though anemones prefer warm climates, they can be enjoyed by gardeners in cooler regions. Planting season for southern gardeners is in the fall. Planting season for northern gardeners is in the spring. Logically, they are commercially available both times of year. The best selection is usually in the fall.

Anemone coronaria cormsWhen you receive them, the tubers will be shriveled and dry. That's normal. Simply soak them over-night in water at room temperature before planting. Don't skip this step!

The planting site should be well-drained and in full sun to partial shade.

Plant the tubers 6" to 10" apart in the garden and 1" to 3" deep, depending upon the size. Sometimes it's difficult to tell which side is up. Don't worry about it, they will re-orient themselves.

Water thoroughly but gently, taking care not to wash the bulbs to the surface. If planted in the fall, the roots will develop throughout the cool months and flowers will appear in spring. If planted in the spring, the flowers will appear.

Water as needed to maintain slightly moist soil during spring and fall. Anemones are drought-tolerant during summer.

Flowering lasts about four weeks. When blooming is completed, let the foliage remain to build food reserves for next year. Foliage may be removed when it yellows and dies back. Take care to leave the bulbs undisturbed. After a few months of dormancy, they will begin another growth cycle.

If you are one of those who tries to stretch the limits of where a plant might be grown successfully, know that Anemone coronaria (De Caen and St. Brigid) benefit from a covering of mulch in USDA climate zones 7 & 8. Anemone blanda benefit from a covering of mulch in USDA climate zones 3 & 4. If you don't want to risk losing them during your cold winters, lift them after the foliage has fallen, then dry and store them over winter.

Container Gardening Tips

As mentioned before, anemones do well in pots and patio gardens. Choose containers with adequate drainage. To improve drainage, place 1" or 2" of polystyrene packing "peanuts" in the bottom of the container. Fill the container with good quality potting soil. Position containers where they will receive full sun to partial shade.

Plant the tubers 2" to 3" apart in the pots. This is much closer than if planting in the garden. Again, it is not necessary to consider which side is supposed to be up. After planting, water well, thoroughly and gently soaking the soil.

When blooming is completed, let the foliage remain to build food reserves. Leaves may be removed when they turn brown and dry. Take care to leave the tubers undisturbed in the pots. After a few months of dormancy, they will begin another growth cycle.

If the containers are kept in an area where cold weather is excessive (USDA climate zones 7 & 8 for A. coronaria, or zones 3 & 4 for A. blanda), they should be moved to where they can be protected.

If you've never grown anemones before, you should do so. Their beauty and historic legacy will lend color and interest to your gardening experience.

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Wednesday, December 12, 2018

Caladium 'Autumn Beauty' - An Exciting New Plant For The Southern Garden

Caladium 'Autumn Beauty'

Caladiums are always favorites in Southern gardens. Their lush, colorful leaves lend a wonderful tropical appearance to shady places, drawing attention from all who pass by. This one, 'Autumn Beauty', lasts well into late summer and fall with hues that complement other seasonal colors. Lower sun exposure enhances its yellow colors. Greater sun exposure brings out its lovely coral shades.

Here are some details and tips on how to grow it.

Name(s): Caladium 'Autumn Beauty', Cyrtospadix bicolor, Caladium x hortulanum, Caladium bicolor, Fancy-leafed Caladium, Angel Wings, Heart of Jesus

Flower Color: White.

Bloom Time: Summer to fall.

Foliage: Herbaceous.

Height/Spread: 14 inches to 20 inches x 12 inches.

Climate Zones: Hardy in zones 9, 10, 11. Planted as annuals in other climate zones.

Sun Exposure: Light shade.

Soil Condition: Organic, pH 5.6 to 6.5.

Planting Depth: 2-1/2 times the height of the bulb.

Features: Colorful foliage.

Uses: Container gardens, bulb gardens, tropical gardens, annual gardens, mass planting, summer ground cover.

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Wednesday, January 14, 2015

Must-Have-Plants: Canna 'Cleopatra'

Canna 'Cleopatra'


Must-have plants are among the best plants for appropriate garden situations. When you need great garden plants for ground cover, naturalizing, wildflower gardens, perennial borders, butterfly gardens, hummingbird gardens, herb gardens, heritage gardens, cutting gardens, woodland gardens, shade gardens, bulb gardens, container gardens, bog gardens, water gardens, rain gardens or xeriscaping, look for the best among our must-have plants.

Name(s): Canna x generalis 'Cleopatra', Canna Lily

Flower Color: Yellow/red.

Bloom Time: Summer to fall.

Foliage: Herbaceous, green.

Height/Spread: 30 inches x 16 inches.

Climate Zones: Hardy in zones 7, 8, 9, 10, 11.

Sun Exposure: Partial shade to full sun.

Soil Condition: Organic, pH 6.1 to 6.5.

Planting Depth: 4 inches to 6 inches.

Features: Colorful flowers, bold foliage.

Uses: Container gardens, mass planting.

Comments: 'Cleopatra', a dwarf selection, produces yellow and red flowers. Depending on your climate zone, you may have bloom from June or July through November.

Cannas are perfect for mass plantings. The large flowers and foliage make a bold statement in the garden. They are also excellent for containers, for those who have limited space.

Cannas are hardy in USDA climate zones 7 to 11. Plant outdoors 4 inches deep and 16 inches apart when danger of frost is past. Gardeners in colder zones should lift the rhizomes in the Fall and transplant in Spring after the last frost. Cannas grow in partial shade to full sun, preferring organic soil and plenty of water.


Thursday, September 18, 2014

FAQ: What is this? It's a dahlia.

A new homeowner in Maine asks questions about plants he finds growing in his landscape. "What is this?"

That's a dahlia. Dahlias are tuberous-rooted plants that are grown from seed, cuttings or tubers.  Most gardeners start with tubers because they are easily obtained and predictable. I don't know which one judging from the picture, but it could be 'Babylon Red'.

Dahlias require exposure to full sun for at least 6 hours per day, and well-drained sandy loam with pH between 6.0 and 7.5.  Their cold-hardiness varies. In USDA climate zones 6 or 7 they can be left in the ground over winter, but you live in zone 5.

After the first hard frost, cut off the plant stalks close to the ground.  After a couple of weeks, the tuberous clumps can be dug and stored over winter.  Store them in a very cool and dark place.  Care must be taken to prevent them from freezing and drying.  Baskets make excellent storage containers because they allow ventilation along the sides.  Without adequate ventilation the tubers will rot.  Sprinkle with water every week or so to replace lost moisture.

Thursday, September 4, 2014

Try inter-planting your bulbs with summer blooming perennials.

Daffodils in the landscape. Photo by Irina Iriser from Pexels

Q. I would like to plant a large area with bulbs for spring bloom. The problem is the bulb foliage looks terrible after they finish blooming. I know I'm not supposed to mow the leaves until they dry up on their own, or else I won't have any blooms the following spring. Do you have any suggestions?

A. Try inter-planting your bulbs with summer blooming perennials. Dormant perennials will produce foliage to hide the spent bulb leaves. The perennial flowers will hide them even more. Not only will your mixed bulb and perennial garden provide a longer bloom season, the bulb leaves won't need mowing. They'll just dry up and become mulch. You didn't mention whether you want to plant in sun or shade. Suitable perennials might include Astilbe, Hostas, Bearded Iris, Daylilies (Hemerocallis), Yarrow (Achillea spp.), Coneflower (Echinacea), Black-Eyed Susan (Rudbeckia) and tall ferns.

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Thursday, February 13, 2014

Must-Have Plants: Lilium 'Stargazer'



Must-have plants are among the best plants for appropriate garden situations. When you need great garden plants for ground cover, naturalizing, wildflower gardens, perennial borders, butterfly gardens, hummingbird gardens, herb gardens, heritage gardens, cutting gardens, woodland gardens, shade gardens, bulb gardens, container gardens, bog gardens, water gardens, rain gardens or xeriscaping, look for the best among our must-have plants.

Name(s): Lilium 'Stargazer'.

Division: Oriental hybrid.

Flower Color: Deep pink and white.

Bloom Time: Summer.

Foliage: Deciduous.

Height/Spread: 36 inches x 15 inches.

Climate Zones: 4, 5, 6, 7, 8.

Sun Exposure: Full sun.

Soil Condition: Organic, well-drained, pH 6.1 to 7.8.

Planting Depth: 2-1/2 times the height of the bulb.

Features: Flowers, good for cutting.

Uses: Bulb gardens, mixed borders, cutting gardens.

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Tuesday, September 24, 2013

How To Plant Container Gardens With Spring-Flowering Bulbs

Spring-flowering container gardens


I bet every spring you see container gardens brimming with colorful flowers like tulips, narcissus and muscari, and wish you had thought ahead to plant some yourself. If you haven't yet, do it now when the selection of fall bulbs is good, and the time to plant is upon us. Here are tips about how to plant container gardens with spring-flowering bulbs.

Container gardens add lots of color to the spring garden, creating focal points in the landscape. Because they're portable, they can be placed in the right spots to welcome visitors, brighten seating areas, and add drama to borders.

Any fall bulb is good for container gardens, but your choice may depend on personal preference, bloom time, ease of care, and climate zone. Personal preference is entirely up to you. Some gardeners remember their favorites from childhood, and like re-living those days. Others get excited about the newest plant cultivars. Some gardeners choose color themes they like best, or try to emulate gardens they've enjoyed while traveling. No matter the reason, there are hundreds of species and cultivars to satisfy any preference.

Bloom time varies, and that's a good thing. Some, like crocuses and winter aconite, peep from under melting snow. Others, such as various narcissus and tulip cultivars, bloom early, mid-season or late. With a little planning, container gardens can be planted to provide delightful color all spring. Choose bulbs with varying bloom times for succession of color. When some containers are spent, others can begin their show.

Apart from proper watering and weeding, ease of care can be as simple as emptying out spent bulbs and throwing them away. Many bulbs, though, can be transplanted in the garden, naturalized in the lawn, border or shade garden.

Some bulbs thrive in many parts of the country, but may require special treatment to bloom in warmer regions. This is where climate zone influences your decisions. Tulips, for example, do not receive enough chilling in southern zones, so must be chilled artificially before planting. Because they will not thrive when transplanted in warm climate gardens, they are best treated as annuals and thrown away after blooming. (I know it might hurt your feelings, but you'll get over it.) On the other hand, if you plan to perennialize your bulbs in the garden, you must choose those that will succeed in your zone.

Fall planting time may vary depending on the climate zone, but is best done before first frost. It's very important that the bulbs be planted while firm and fresh. Those left sitting about until the end of the season may rot before they go in the ground. By the way, if you must store them awhile, keep them in a cool, dark place. If you must chill them artificially in the refrigerator before planting (tulips and hyacinths, for example), do not chill them in the presence of fruit. Ripening fruit gives off ethylene that will gas your bulbs and inhibit flowering.

Planting container with spring-flowering bulbsChoose durable containers that will not split or crack in colder regions. Stone, glazed stoneware, concrete, cast iron, fiberglass and plastic will do. Southern gardeners may use terracotta. Containers must also provide good drainage. They need not be large to hold lots of bulbs for bulbs can be planted closer in containers than in the ground. Container depth, on the other hand, depends on your bulbs' requirements. They should be deep enough to allow for the roots to grow downward with space left over. If roots grow to the bottom of the pot, the bulbs will probably be forced upward and out of the mix.

If planting large bulbs such as some daffodils, figure about 1 inch of pot diameter per bulb. That would be a 24-inch diameter pot for 24 bulbs. Twice as many smaller bulbs such as tulips and jonquils will fit in the 24-inch pot, and you might stuff 4 times as many minor bulbs in it. If planting bulbs of different types in the same container, choose those that bloom at the same time.

Use a high-quality, sphagnum-based potting mix. Better mixes will also contain vermiculite or perlite, and some fertilizer. You may also make your own or amend commercial types. Composted chicken manure, available at garden centers, is a popular additive. Do not use native soil straight out of your garden because it will lack necessary drainage qualities for container gardens.

Plant your bulbs the same depth in the container as you would in the ground: 1-1/2 to 2 times as deep as the bulb diameter. Measure planting depth from the bottom of the hole. Another way to plant correctly is to measure from 1/2 inch below the pot rim downward to the proper depth. Mark the spot. Put enough potting mix in the container to the correct planting level, place bulbs upright on the mix, then add more mix to 1/2 inch below the rim.

If planting bulbs of different sizes, you'll place them at different depths. Following the same procedure, place the large bulbs on the lowest level, add planting mix to the proper level for the smaller bulbs, place them on the surface, and fill the container to 1/2 inch below the rim.

Water the container thoroughly after planting, then periodically thereafter as needed. Bulbs should never sit in soggy soil. You'd think that they would get enough moisture with winter rains and snow, but it's not always the case. Check the moisture level occasionally. Smaller containers, and terracotta ones, will dry quicker than others.

Face it, planted bulb containers aren't very attractive during the winter. It's best to store them out of sight. There's also the possibility that extreme cold may damage the bulbs for those in containers are more exposed than bulbs in the ground. I suggest grouping them together, burying them in sawdust, or surrounding them with bales of straw. Put your containers on display in the spring when the foliage or flowers are starting to emerge.

After the flowers are gone, make notes and begin planning your bulb purchases. Fall planting time will arrive before you know it.

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Thursday, September 5, 2013

How do I save my caladiums over winter?

Caladium 'Frieda Hemple'

Caladiums are tropical plants, reliably cold hardy in USDA climate zones 10 and 11. However, they may survive mild winters in USDA climate zones 8 and 9. The best way to be sure they survive is to dig them before first frost. Carefully pull the plants. Keep the roots and soil intact, and store in a cool, dry place for a couple of weeks, allowing the roots and soil to dry. After drying, trim off the stems, and brush remaining soil from the tubers. Store them in a paper bag partially filled with dry peat moss or vermiculite in a cool, dry place over winter.

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Thursday, October 27, 2011

Peacock Flower - Lovely By Any Name

Call it Peacock Flower, Abyssinian Gladiolus, Fragrant Gladiolus, Sword Lily, Acidanthera bicolor, Acidanthera murielae or Gladiolus callianthus. Why it's called Peacock Flower is easy to guess, as is the appellation, "fragrant." "Abyssinian" because it is considered to be native to Ethiopia (some say to Madagascar). It's called Sword Lily because the leaves are sword-like, long and tapering to a point. The name Gladiolus means "little sword." It's called bicolor because the flower is either red, pink or purple on white. Callianthus means "beautiful flower." It was given the name murielae in honor of Muriel Wilson, daughter of famous plantsman and explorer Ernest H. "Chinese" Wilson (1876-1930). Acidanthera refers to the sharp anthers in the center of the flower. Whether one prefers the name Gladiolus or Acidanthera depends on whether one views it as a species of Gladiolus or a genus of its own.

By any name, it is a lovely flower that is easy to grow. It possesses a distinctive tropical elegance. Peacock Flower looks like other gladioli in most respects. The plant grows to 3 feet tall. Long flower spikes produce butterfly-like blossoms along the length. The height, bold foliage and showy flowers add interest to bulb gardens and perennial borders.

Peacock Flower is hardy from USDA climate zones 7 through 11. Blooms, suitable for cutting and flower arrangements, may appear from mid-summer to fall.

Choose a site in full sun with average, consistently moist but well-drained garden soil. Preferred pH may range from 6.1 to 7.5. Take a soil sample to your nearby Cooperative Extension Service for analysis. Follow the recommendations.

Cultivate the soil to a depth of twelve inches and amend it according to soil test recommendations. Remove weeds and debris during cultivation. It is usually a good idea to incorporate superphosphate into the soil before planting at the rate of two pounds per 50 feet of row. If superphosphate is not available, an application of 5-10-5 fertilizer at the same rate is recommended. Plant Peacock Flowers four to six inches deep and six inches apart in spring when the weather and soil has warmed. Do not allow synthetic fertilizer to contact the corms. Cover with soil and water well. An application of mulch can suppress weeds and help to retain moisture. All gladioli benefit from generous feeding. A second application of 5-10-5 fertilizer may be applied as a side dressing at the rate of two pounds per 50 feet of row when the emerging bloom spike can be felt at the base of the foliage. Again, the fertilizer should not come into contact with the plants. Avoid high nitrogen fertilizers. Too much fertilization can encourage bulb diseases.

When cutting for flower arrangements, choose stems with no more than three flowers in bloom. For best results, cut the stems in the early morning or late evening when temperatures are cooler. Leave a few leaves on each plant so the corms will remain strong. Most growers allow four leaves to remain on the corm. Use a sharp knife or clippers making a clean cut. Plunge the lower ends of the stems immediately in a bucket of cool water.

Peacock Flowers are not hardy in colder climates than USDA zone 7. The corms can be dug in fall and saved for planting the next spring. For more information about that, read my article, FAQ: When should I cut my gladioli? .

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Tuesday, November 30, 2010

Corpse Flowers and Voodoo Lilies

About 20 years ago, a gardening friend of mine, very excited and breathless, lugged a 25 gallon plastic plant container into my garden shop. The pot was full of soil and heavy. Something was trying to emerge. I don't remember exactly what he said to convince me that if I would display it my customers would get the thrill of their lives, but I conceded.

"What is it?", I asked? He pulled a wrinkled page from his pocket, spread it out on a table, and said, "It's THAT!" The picture was grainy, but the thing looked massive and strange. We placed the container in full view of the front door.

Eventually a long, thick, flesh-colored stalk mottled with dark green, black and brownish spots emerged. It looked almost human...and diseased. A big leaf unfolded. The thing was well over 6 feet tall. Very impressive!

Visitors couldn't avoid it. Most would walk around it, cautiously touch it, walk around it some more, touch it, squeeze it, and do it again. Some backed off like they were thinking, "I can't touch this!"

The plant was Amorphophallus titanum. Modest taxonomists translate "amorphophallus" to mean "without definite form." A little more accurately, the entire name means "oddly shaped phallus of enormous strength." (I blush.) It is commonly called Titan Arum or Corpse Flower.

When we think of flowers, we imagine colorful, sweet-smelling blossoms attracting hummingbirds, butterflies and bees. Right? We think of cut flowers, corsages, bouquets and nose-gays. The Corpse Flower isn't that. Carry a bouquet of it and you smell like dead meat. The flower stinks mightily.

Fortunately, the thing did not bloom in my shop. If it had, I might have had to raze the store.

Plants such as the Corpse Flower aren't pollinated by the usual birds, butterflies and bees seeking sweet nectar. They're visited by vectors (pollinating agents) that feed on dung and carrion. What a fantastic design.

Titan Arum may be the most impressive of the Araceae family, but it grows larger than most gardeners can accommodate, and is not easy to obtain. Smaller members of the family are more appropriate for most of us. Typhonium venosum is a good choice. Its name means smoky and veined. The foliage turns very dark colored and the plant certainly looks veined. It also goes by other botanical names including Sauromatum guttatum, Sauromatum venosum, Arum venosum and Arum cornutum. Its common name is Voodoo Lily, and is native to tropical Africa and Asia.

Voodoo Lily grows 24 inches to 48 inches in height. The flower, which appears in late winter or spring, looks grotesque and bulbous with a burgundy spotted spathe and a dark spadix. Yes, it does smell, but not as mightily as the Titan Arum.

For the gardener who likes unusual plants, Voodoo Lily is perfect. It can be grown outdoors, but can also be brought indoors (for awhile) as a unique design element. Though it has a tropical appearance, it is reliably hardy in USDA climate zones 9 through 11, and can be grown into zone 6 if mulched well during winter. Plant it in partial shade to full shade in loamy soil with pH ranging from 5.6 to 7.5. To determine if your soil pH is hospitable to Voodoo Lily, take a soil sample to your nearby Cooperative Extension Service office for testing.

Cultivate the soil to 12 inches deep and remove all traces of weeds. Incorporate fertilizer or soil amendments according to Extension Service recommendations. Space the plants 6 inches to 10 inches apart, and three times as deep as the corm-like rhizome is wide. Planting depth is measured to the bottom of the hole. Water well when planting, but allow the soil to dry between watering.

Voodoo Lily is certainly a curiosity, and for that reason you should grow it. It's not difficult. Gardeners who enjoy growing plants of medicinal interest should also be interested for Typhonium is used in Chinese medicine. Keep in mind, however, that self-treatment is not recommended for Typhonium can be toxic if ingested and may cause allergic reactions in sensitive persons.

A planting of Voodoo Lily will certainly intrigue your friends and give you something to proudly show.

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Tuesday, October 26, 2010

Hunt For The Tiger Flower

Collectors of exotic plants should hunt for the Tiger Flower.  It belongs to the genus Tigridia (pronounced ty-GRID-ee-ah), which means like a tiger.  The name was derived from the Aztec, ocelo-xóchitl (roughly pronounced o-cel-o tsO-chi-tl, the tl sounding like a click somewhere between my tongue and cheek, but I can't explain it), meaning tiger flower.  The tiger in mind was certainly not the Asian tiger, and probably not the ocelot, as one might expect from the name, but the jaguar. Jaguars are spotted, and so are Tigridia flowers, usually in the center with outer colors ranging from cream and yellow to pink and red.

Tigridia includes around thirty species native to the western hemisphere from Mexico southward.  The genus was discovered by Europeans by the 18th century. Of course, earlier residents knew about the plants already.

Tigridia is a member of the Iridaceae family, along with Belamcanda, Crocosmia, Iris, Sparaxis, and such.  The sword-like foliage and the flower arrangement on the stems are obvious hints. T. pavonia (pronounced pav-ON-ee-ah) is the most readily available because it is very adaptable and showy.

T. pavonia was named for the Spanish botanist, José Antonio Pavón Jiménez of Caceras (1754-1844), who, along with Hipólito Ruiz López of Burgos (1754-1816) and French botanist Joseph Dombey (1742-1794), accompanied an expedition commissioned by Carlos III to explore Peru and Chile. It was a huge eleven-year commitment (1777-1788) for those young men to embark upon. In fact, Pavón was enlisted before he had completed his academic studies. I suppose the lure of adventure called. Following their exploration, Pavón and Ruiz published Flora Peruviana et Chilensis.

Dombey left the expedition in 1784 over disagreements with Hipólito, and took with him valuable information about Cinchona, the source of quinine treatment for malaria. In other words, it appears that he left the expedition to the mercy of mosquitos while taking the medicine with him. Ironically, Dombey's work, Péruvienne Flore, was published posthumously.

Interestingly, Tigridia may have been discovered by Europeans before the Pavón-Ruiz expedition.  The 1633 edition of John Gerard’s Herball or Generall Historie of Plantes includes a description of the ‘floure of Tygris’.  I've not been able to locate a description of it in the 1597 edition, but I haven't scanned all 1500 pages.  Apparently, Gerard (1545-1612) or one of the later contributors to the Herball thought the report about the plant to be false.

Two bulbous Plants, generally holden for feigned and adulterine. ... The second feigned picture hath been taken of the Discoverer and others of late time, to be a kind of Dragons not sure by any that have written thereof ... The root, saith my Author, is bulbous or Onion fashion, outwardly black, from which spring up long leaves, sharp pointed, narrow, and of a fresh green colour: in the middest of which leaves rise up naked or bare stalks, at the top whereof groweth a pleasant yellow floure, stained with many small red spots here and there confusedly cast abroad: and in the middest of the floure thrusteth forth a long red tongue or style, which in time groweth to be the cod or seed-vessel, crooked or wreathed, wherein is the seed. The vertues and temperature are not to be spoken of, considering that we assuredly persuade our selves that there are no such plants, but meere fictions and devices, as we terme them, to give his friend a gudgeon.

A gudgeon is a coarse fish, sometimes a pest, in Europe.  To give a gudgeon was to play a trick, so the 'floure of Tygris' was considered to be someone's attempt at a joke.  But the description of Tigridia is so spot-on that one can only surmise someone actually knew about it over 150 years before the Pavón-Ruiz expedition.

By the way, Gerard supervised the London gardens of William Cecil (1521-1598), chief advisor to Queen Elizabeth I.  William Cecil, 1st Lord Burghley, was an ancestor of William Amherst Vanderbilt Cecil, present operator of the Biltmore Estate, Asheville, NC.  But that's another story.

Pavón, Ruiz, Dombey and explorers before them weren't looking for pretty flowers.  They were looking for valuable plants.  Tigridia is still worth further study.

Indigenous people of South America ate the boiled bulbs and roots.  Cooked, they are said to taste like chestnuts.  Tigridia has been used medicinally to reduce fever, promote conception, and is said to be "good for the breast."  Furthermore, the plants may have had some ceremonial significance in Aztec culture.

Tigridia adds plenty of color to the garden.  You can plant Tigridia bulbs in spring directly in the ground or in containers.  Mix them amongst other perennials or annuals in free-form groupings.  The individual flowers open in the morning and close by late afternoon, so don't plan on cutting them.  However, the stems can produce flowers from spring to mid-summer, so you may enjoy a long-lasting show.

Tigridia pavonia is cold hardy in USDA climate zones 8 through 11, where they can be treated as perennials.  Space 3 inches to 6 inches apart and about 4 inches deep in full sun to partial shade in average, moist but well-drained garden soil.  Gardeners in colder climates can lift them in the fall and store them over winter in vermiculite or peat in a dry place where temperature can be maintained between 35 degrees and 40 degrees F.

Ideal pH for Tigridia ranges from 6.1 to 7.8.  Use a high quality grade of potting soil if growing in containers.

Before planting, take a sample of your garden soil to your local Cooperative Extension Service office.  For a nominal fee, they will send it to a lab for analysis and return a report to you.  Your soil sample report will include fertilizer recommendations based upon the results of the test.  Follow the instructions.

Prepare the planting bed by cultivating at least 8" deep, removing all traces of weeds.  If you prefer to skip the soil test, a fine all-around practice for spring-flowering bulbs is to mix 5 tablespoons of 10-10-10 fertilizer and 2 cups of bone meal per ten square feet area of bulb garden.  Repeat the application when shoots appear, but be careful that fertilizer does not come into direct contact with plant tissue.

Tigridia not only adds color and texture to the garden, but historic and cultural interest, as well.  Gerard's Herball considered it too good to be true.  Certainly you should add the Tiger Flower to your collection.

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Thursday, October 14, 2010

Cheerful Harlequin Flowers

Cheerful Harlequin Flowers put on a colorful show in any garden.  Their star-shaped flowers in a rainbow of bright colors are produced on 12 to 18 inch long stems in mid-spring to early summer.

The genus, Sparaxis (pronounced spa-RAKS-iss), includes about fifteen species native to the Cape Province of South Africa.  The name refers to the flower bracts which appear to be torn.  Sparaxis has been known at least since the 1800s, though a new species, Sparaxis maculosa, was discovered as late as 1988.  Sparaxis is a member of the Iridaceae, along with Ixia, another South African genus.  In fact, Ixia and Sparaxis have sometimes been confused.  Among their most obvious shared characteristics are corms, sword-like foliage and the flower arrangement on the stems. S. tricolor is the most readily available, though collections of mixed species are often offered for sale.

Depending on the species, flower centers have black centers, yellow centers, or a combination of both.  The leaves are very attractive, too, adding vertical interest to the garden.  You can plant them in spring anywhere directly in the ground or in containers.  If allowed to go to seed, sparaxis germinates readily and will produce lots of new plants.  The corms produce offshoots which can be divided during dormancy and replanted for a greater show the following year.

Sparaxis adds plenty of color to the garden.  Mix the corms amongst other perennials or annuals in free-form groupings.  They're perfect for bulb gardens and rock gardens, too.  Because the cut flowers are long-lasting, you'll want plenty of them in your cutting garden.  Sparaxis is drought-tolerant, too, so those who live in drought-prone zones or must limit their water use will love them.  This is definitely one to add to your list of plants for xeriscaping.

Sparaxis is cold hardy in USDA climate zones 9 through 11, but the corms are so inexpensive that gardeners in colder zones treat them as annuals. Space 6 inches to 12 inches apart and about 1-1/2 inches to 3 inches deep in full sun to partial shade in average, well-drained garden soil.  Field studies at the Institute of Ornamental Plants and Architecture of Landscape, Agricultural University of Lublin, Poland between 2000 and 2003 reported that, in general, early planting at 1-1/2 inches depth resulted in more flower spikes with more flowers per spike.  So my advice to you is to get them in the ground as soon as the soil can be worked.

Ideal pH for sparaxis ranges from 6.1 to 7.8.  Use a high quality grade of potting soil if growing in containers.

Before planting, take a sample of your garden soil to your local Cooperative Extension Service office.  For a nominal fee, they will send it to a lab for analysis and return a report to you.  Your soil sample report will include fertilizer recommendations based upon the results of the test.  Follow the instructions.

Prepare the planting bed by cultivating at least 8" deep, removing all traces of weeds.  If you prefer to skip the soil test, a fine all-around practice for spring-flowering bulbs is to mix 5 tablespoons of 10-10-10 fertilizer and 2 cups of bone meal per ten square feet area of bulb garden.  Repeat the application when shoots appear, but be careful that fertilizer does not come into direct contact with plant tissue.

When fall approaches and plants become dormant, gardeners in cooler climates can dig the corms and store them over winter.  To do so, remove dried foliage, brush soil from the corms, pack them in ground sphagnum or dry sawdust, and store them in a dark, well-ventilated area with a temperature range of 68 to 77 degrees Fahrenheit.

Planted liberally, Sparaxis will make a wonderful show in your spring to summer garden. You'll be delighted with this beautiful South African native.

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Wednesday, October 13, 2010

Night Fragrance of Exotic Tuberose

Night heightens the senses and deepens emotions.  Longings and impressions are not so arresting in the light of day.  On summer nights, when windows are opened and hearts yearn, the night fragrance of tuberose ignites passions around the world.

The botanical name is Polianthes tuberosa (pronounced polly-AN-these toober-OHS-ah).  Polianthes means "gray flower".  Tuberosa refers to the tuberous root structure.

Polianthes is in the Agavaceae family, and is believed to be native to Mexico.  You'll recognize the family resemblance in foliage and flower.  Plant size is about 24 inches.  Flower color is almost white.  Bloom season is from mid-summer to fall, depending upon the region where it is grown.

Agaves are the sources of other intoxications such as pulque, mezcal and tequila.  Aztecs called polianthes, Omixochitl (pronounced oh me' zu che' tl), meaning "bone flower", referring to the bloom color.

In Iran it is known as Gole Maryam or Jane Maryan and woven into the music of love longing.

In Hindi, it is Rajnigandha.  Though the rajnigandha story is a bit different, the desire of the heart is ever present.

Indonesians know it as bunga sedap malam.  Chinese call it WanXiangYu.  No matter the language, the translation is the same: Night Fragrance.

According to legends spread abroad, young girls from Europe to Asia were warned that smelling the perfumed air might induce romantic moods.  Rather than taking care, I expect that ladies slept next to open windows dreaming of love.

Tuberose blossoms are often mingled in wedding bouquets.  Parts of the flowers are popular ingredients in perfume.

That Polianthes is probably native to Mexico but deeply embedded in the psyche of people around the world begs the question, How did it come to pass?

Persia (Iran) and India have been allies, often of the same blood, perhaps as far back as 2000 BC.  There is strong evidence that Muslim traders traveled to Indonesia as early as the 8th century AD.  So it doesn't require a stretch to speculate trade with Mayans or Aztecs even before the Spanish Conquistadors.  Since the Iberian peninsula was home to Christians and mudejar following the Reconquest of Spain, there should be no doubt that tuberoses were carried around the world after the 15th century.  It has been a small orb after all.

Tuberoses are perfect for containers, bulb gardens, perennial borders, fragrance gardens and cutting gardens.  They thrive in USDA climate zones 8 through 10. Gardeners in colder climates may grow them in containers, protecting them over winter.  Plant outdoors in full sun to partial shade.  Rich garden soil that is well-drained and with pH ranging from 5.6 to 7.8 is fine.  For container growing, use a good grade of well-drained, peat-based potting soil.

Before planting, take a sample of your garden soil to your local Cooperative Extension Service office.  The service usually provides collection bags.  For the most basic recommendations, you may be charged a nominal fee.  For more information such as micro-nutrient and organic content you may be charged more.  Their recommendations are well worth it.

Planting usually begins in spring, though fall planting is possible in warmest climates.  Unless you are naturalizing them in the lawn, prepare the planting bed by cultivating at least 6 inches deep, removing all traces of weeds. Compacted soil should be cultivated to 8 inches deep.
 
Your soil sample report will include fertilizer recommendations based upon the results of the test.  A fine all-around practice for Spring-flowering bulbs is to mix 5 tablespoons of 10-10-10 fertilizer and 2 cups of bone meal per ten square feet area of bulb garden.  Repeat the application when shoots appear, but be careful that fertilizer does not come into direct contact with plant tissue.

The tubers should be planted no deeper than 3 inches.  Depth is measured to the bottom of the hole.  Recommended plant spacing is 6 inches to 12 inches.

Plant tuberose in your garden this spring, then open your windows for gentle breezes to perfume your home.

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Thursday, September 30, 2010

False Shamrock - Of Hoods and Bells and Fairy Green


There is a bank (I love it well)
Where climbs the sorrel of the wood,
Here breathes, how frail! a puce-veined bell,
There snowy droops its crumpled hood.
With knotted roots of tinctured strings
A tender tapestry it weaves,
Whilst folding back like soft green wings
The lappets of its cloven leaves.
It is a dainty sight, I ween,
Of hoods, and bells, and fairy green ;
But when the dews of evening fall,
They mutely bless the Lord of all,
And, closing, wait the daylight's call!
Hard by, o'ershadowed by the forest trees,
Like partial snowshowers, wood anemones
Outstretched in level masses of white shade
People with magic companies the glade,
As fairy-land borne flying on the breeze
Had lighted round gnarled oaks of centuries,
While Spring repairs her roofless palaces.

    - Rev. Charles Armstrong Fox (19th century English pastor, poet, theologian)

The magical charm of wood sorrel captures the imagination even now as it did for Charles Fox, the poet of Keswick.  (You have to get down on your knees, close and personal to appreciate things like that.)  In addition to poetry, he published a few books of Keswick theology, a controversial view among Protestants, which emphasized a higher level of Christian spirituality.  His books included Victories and Safeguards, Ankle Deep, and Conquered and Kept.  A very devout man and a leader in the early days of the Keswick Convention, Rev. Fox reveled in nature and blessed its Creator.  Certainly, nature's delights are plentiful, so he had a lot to be thankful for.

Fairies and magic are often associated with wood sorrel because of its resemblance to the Irish shamrock.  Potted oxalis plants are traditionally given around St. Patrick's Day.  But wood sorrel isn't called False Shamrock for nothing, for true shamrock is actually clover (Trifolium repens or T. dubium).  Nevertheless, don't let that little bit of knowledge spoil your fun.  White clover is nowhere near as appealing as oxalis in a decorative planter or in the garden.

Wood Sorrel (aka False Shamrock) belongs to the genus, Oxalis, and is a member of the Oxalidaceae family.  Oxalis consists of about 800 species which are native worldwide.  Some are annuals; others are perennials.  Indigenous people and little boys around the world have munched on sorrels for food and fun.  The leaves may be eaten alone or added to salads.  The plants contain oxalic acid, which gives them a sour but refreshing taste.

A childhood friend of mine, who I shall call 'Andy Hitt' to protect his identity, said that wood sorrel and sheep sorrel, both containing oxalates, tasted that way because his dog, Bud, had peed on them.  As it turns out, oxalates are eliminated by urine, so now that I think of it he might not have been kidding.

Though oxalic acid can be dangerous in large amounts, oxalicacidinfo.com assures that it's highly unlikely occasionally eating sorrels would have any toxic effect.  That's good to know.

One species of False Shamrock, O. acetosella, has been eaten to sustain life during famine. Edmund Spenser, by no means a friend of the Irish, wrote in his View of the State of Ireland during a Famine, "Out of every corner of the wods and glynnis they come creeping forth upon their hands, for their legs could not bear them; they looked like anatomies of death; they spoke like ghosts crying out of their graves; they did eat the dead carrions; and if they found a plot of watercresses or shamrocks, they flocked as to a feast..."

There are several important Oxalis species grown ornamentally:  O. adenophylla, O. brasiliensis, O. deppei (syn. O. tetraphylla), O. lasiandra, O. triangularis and O. versicolor.

Hardiness varies by species.  Where they are hardy, they are excellent for bulb gardens, perennial gardens and borders, and naturalizing.  Plant oxalis tubers 12 inches to 15 inches apart and 1 inch to 1-1/2 inches deep in full sun to partial shade in average, well-drained garden soil with pH ranging from 6.1 to 7.8.  Planting depth is measured to the bottom of the hole.  Oxalis can be grown in any climate in container gardens, and they may be grown indoors or out.

If planting in the garden, take a sample of your garden soil to your local Cooperative Extension Service office.  For a small fee, they will send it to a lab for analysis and return a report to you.  Your soil sample report will include recommendations for amending the soil.  If planting in containers, use a good grade of sphagnum-based potting soil.

Unless you are naturalizing them in the lawn, prepare the planting bed by cultivating at least 8" deep, removing all traces of weeds.  A good practice is to mix 5 tablespoons of 10-10-10 fertilizer and 2 cups of bone meal per ten square feet area of bulb garden.  Don't let synthetic fertilizer come into direct contact with plants.

When your False Shamrocks begin to sprout and bloom, you'll agree with Rev. Fox, "It is a dainty sight, I ween, of hoods, and bells, and fairy green."

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Wednesday, September 29, 2010

Star Of Bethlehem: Flower of the Virgin's Child


"Ah me!" the lonely stranger said,
"The hope which led my footsteps on,
And light from heaven around them shed,
O'er weary wave and waste, is gone!

..."And what am I, o'er such a land
The banner of the Cross to bear?
Dear Lord, uphold me with Thy hand,
Thy strength with human weakness share!"

He ceased; for at his very feet
In mild rebuke a floweret smiled;
How thrilled his sinking heart to greet
The Star-flower of the Virgin's child!

In poetic verse, John Greenleaf Whittier told the story of a Christian missionary wearied and discouraged in his efforts to carry the Gospel to Iran.  But upon seeing a flower known as Star Of Bethlehem at his feet, he was heartened to carry on his very difficult work.

Readers during the Victorian era were very romantic in their outlook, as their art attests.  That a flower might suggest the "star in the east" to a weary evangelist and encourage him seems far-fetched to cynical moderns.  We would be more inclined to accept its botanical name, Ornithogalum (pronounced or-ni-THOG-al-um), which means "bird milk". ("Bird milk", also known as "crop milk", is supposed to allude to the color of the flowers.) But we gardeners will tend to appreciate the symbolism of the Natal Star since we are hopeless romantics.

The genus, Ornithogalum, is a member of the Hyacinthaceae family and consists of about twenty species.  Flowers are white, except for O. dubium which produces orange and yellow ones.  Different species are native to southern Europe, north Africa and South Africa. Though generally hardy in USDA climate zones 8 to 11, they are effective in container gardens in cooler regions.  Where they may be grown outdoors over winter, they are excellent for bulb gardens, perennial gardens and borders, and naturalizing.  They are superb for cutting, lasting a couple of weeks or more in flower arrangements.

Ornithogalums require little attention.  Plant them in spring in full sun to partial shade and in average, well-drained garden soil. Recommended pH is from 6.1 to 7.8.

Fragrant flowers appear in late spring to mid-summer.  After blooming the leaves will eventually turn brown. Allow the leaves to turn brown before removing them.  Early removal of foliage prevents the bulbs from storing reserves for the following year.

Before planting, take a sample of your garden soil to your local Cooperative Extension Service office.  For a small fee, they will send it to a lab for analysis and return a report to you.  Your soil sample report will include recommendations for amending the soil.  Follow them.

Unless you are naturalizing them in the lawn, prepare the planting bed by cultivating at least 8" deep, removing all traces of weeds.  A good practice is to mix 5 tablespoons of 10-10-10 fertilizer and 2 cups of bone meal per ten square feet area of bulb garden.  Don't let synthetic fertilizer come into direct contact with plants.

Plant Ornithogalum bulbs about 3 inches deep and 6 inches apart in spring.  Depth is measured to the bottom of the hole.

By the way, the bulbs look like little onions.  One species, O. longibracteatum, is called Pregnant Onion or False Sea Onion.  But don't let the resemblance fool you.  Though some species are edible, others contain a heart-stopping steroid called cardenolide.  Don't eat any of them.

As gardeners, we know how flowers lift our spirits.  We don't mind the work because the rewards are so great.  Plant Star Of Bethlehem bulbs and you'll be heartened when they bloom.

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Tuesday, September 28, 2010

Nerine - The Legendary Guernsey Lily


Far in the East, and long to us unknown,
A lily bloom'd, of colours quaint and rare ;
Not like our lilies, white, and dimly fair,
But clad like Eastern monarch on his throne.
A ship there was by stress of tempest blown,
And wreck'd on beach, all sandy, flat, and bare;—
The storm-god bated of his rage to spare
The queenly flower, foredoom'd to be our own.
The Guernsey fisher, seeking what the sea
Had stolen to aid his hungry poverty,
Starts to behold the stranger from afar,
And wonders what the gorgeous thing might be,
That like an unsphered and dejected star
Gleam'd in forlorn and mateless majesty.

-Hartley Coleridge (1796-1849, son of Samuel Taylor Coleridge)

Thus did Coleridge tell the story of The Guernsey Lily in poetic verse.  To substantiate it, he included a quote from Beckman's Inventions, Vol. III.

The Guernsey Lily was also a plant of interest to The Rev. William Herbert (1778-1847), botanist, poet and Anglican clergyman.  Herbert was an expert in the Amaryllidaceae family, and he recognized the Guernsey lily as a member.  Furthermore, he was well aware that Francis Masson (1741-1805) had collected specimens during his botanical exploration of the Cape of South Africa (1772-1775) for Kew Gardens.

It's quite possible that Guernsey lilies were found in Japan.  Foreign trade was far more widespread and sophisticated prior to the 18th century than we give credit for.  Or Kaempher and Thunberg, whom Beckman referenced, might have mistaken Lycoris (also in the Amaryllidaceae family) for Guernsey lilies.

Nevertheless, the tale of the ill-fated ship and the introduction of the plant to the rocky shores of Guernsey apparently caught the fancy of Herbert.  Being a scholar and poet himself, he must have known lines such as these:

Often in autumn-time when the grapes are ripening, a Nereis climbs the rocks, and under cover of the shades of night brushes the sea-water from her eyes with a leafy vine-spray, and snatches sweet clusters from the hills. Often is the vintage sprinkled by the neighbouring foam; Satyri plunge into the waters, and Panes from the mountain are fain to grasp the Sea-Nymph as she flies naked through the waves.
-Statius, Silvae 2. 2

So, Herbert named the autumn-blooming genus Nerine (pronounced ne-REE-nee), the patronym of the watery nymphs known as Nereids, daughters of Nereus, who lived with him in a silvery cavern beneath the Aegean Sea.  In Greek mythology, Nereids were patrons of seafarers, often coming to their rescue from shipwrecks.  Shipwrecked or not, sailors were always glad to see women, even if they smelled like fish.

The genus consists of about thirty species.  Colors range from white to pink and red.  They are effective in container gardens, bulb gardens and borders.  Guernsey lilies are wonderful for cutting.  (Incidentally, the island is legendary for the Guernsey cut flower industry.)  They are also superb for naturalizing. 

Nerines need very little attention.  Plant them in spring.  After blooming in fall, the leaves persist throughout the winter, and turn yellow in late spring.  The bulbs are dormant during summer.  During blooming and while foliage is present, they require moist, well-drained soil.  Drier soil is good during dormancy.  In fact, nerine tolerate summer drought quite well.  As with all bulbs, allow the leaves to turn brown before removing them.  Early removal prevents the bulbs from storing reserves for the following year.

Plant hardiness differs according to species, but generally hardy from USDA climate zones 8 to 10, requiring full sun to partial shade and soil high in organic matter.  Recommended pH is from 6.1 to 7.8.

Before planting, take a sample of your garden soil to your local Cooperative Extension Service office.  For a nominal fee, they will send it to a lab for analysis and return a report to you.

Unless you are naturalizing them in the lawn, prepare the planting bed by cultivating at least 10" deep, removing all traces of weeds. Compacted soil should be cultivated to 12" deep.  Common soil amendments include sulfur for lowering pH, limestone for raising pH, sand for helping drainage, clay for slowing drainage, gypsum for breaking up caking clay and compost for enriching the soil.  Bone meal is especially good for bulbs.  Which you should use depends upon the recommendations of the lab analysis based upon your particular circumstance.

Your soil sample report will include fertilizer recommendations.  A good practice is to mix 5 tablespoons of 10-10-10 fertilizer and 2 cups of bone meal per ten square feet area of bulb garden.  Don't let synthetic fertilizer come into direct contact with plants.

Plant nerine bulbs about 8 inches deep and 8 inches apart in spring.  Depth is measured to the bottom of the hole.

After long winters, we yearn to be rescued by spring flowers.  But we often forget that when autumn-time comes we need those strange lilies that appear like stars in our gardens.  Consider planting Guernsey lilies this spring.

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Friday, September 24, 2010

About Ixia

The genus, Ixia (pronounced IKS-ee-uh), includes about fifty species. Ixia is native to the western and southern parts of South Africa.  The genus was discovered and named during the late 1700s, though Linnaeus originally classified it as Gladiolus.  It's easy to understand why he did because the similarity is strong.  Among their most obvious shared characteristics are corms, sword-like foliage and flower arrangement on the stems.  Ixia and Gladiolus are members of the Iridaceae family (Iris).

But Ixia wasn't called Gladiolus for long.  Of course, names are given to plants for good reasons.  Sometimes names are bestowed to honor a notable person or to describe some characteristics of the plant, for example.  The name, Ixia, may have seemed all too obvious to Linneaus, but now after about 240 years no one actually knows why he named it so.  It is undoubtedly a latinized form derived from some Greek word.  Could it be from ixos, referring to its sticky sap that reminded Linnaeus of bird-lime?  Bird-lime is a viscous substance that is spread on tree branches to trap delicious birds.

South African botanist Gwendoline Joyce Lewis opined that the name was derived from the Greek word, ixia, which referred to a "chameleon plant" so called for its variable flower colors.  Her theory, apparently, was that Linnaeus thought of the changeable characteristics of chameleons, so he gave the name to this new African genus because of the variable colors between its species.  (To confirm this, I can't find the actual paper she wrote, though it is often referenced in articles on Ixia.)  As it turns out, some of the plants formerly considered to be ixias have since been classified into other genera, so now, the genus is not so variable any more.

But there is one commonly called "chameleon plant" because its flowers are long like chameleon's tongues, and its seeds are sticky like chameleon's tongues.  It is a mistletoe, Loranthus.  As a matter of fact, Italians used to make bird-lime of mistletoe berries, oil and turpentine.  So, then, Linnaeus may have been thinking of bird-lime, after all, and of the mistletoes that went into it.

Is that confusing, or what?  Either way, the name doesn't pretend to describe the beauty of this showy flower.

Why should all that etymology and plant taxonomy matter to us?  Well, because we're gardeners!

Ixia, also known as African Corn Lily, produces star-shaped flowers in a rainbow of various colors on 18" long wiry stems in mid-spring.  The species hybridize easily, so new forms may appear.  The strap-live leaves are quite handsome.  You can plant them in spring anywhere in the garden or in containers.  Cut flowers are long-lasting.  Fragrance is pleasant but discrete, sort of like the vegetable flowers in your garden.  Ixia is ideal for bee and butterfly gardens.

Ixia is cold hardy in USDA climate zones 9 and 10, but the corms are so inexpensive that gardeners in colder zones treat them as annuals. Plant ixia corms 3" to 6" apart and about 6" deep in full sun to partial shade in average, well-drained garden soil.  Ideal pH ranges from 6.1 to 7.8.  Use a high quality grade of potting soil if growing in containers.  Though somewhat drought tolerant during summer months, they benefit from moist soil during the growing season. Leafy mulch is ideal.

Before planting, take a sample of your garden soil to your local Cooperative Extension Service office.  For a nominal fee, they will send it to a lab for analysis and return a report to you.

Prepare the planting bed by cultivating at least 8" deep, removing all traces of weeds. Compacted soil should be cultivated to 12" deep.

Your soil sample report will include fertilizer recommendations based upon the results of the test.  A fine all-around practice for spring-flowering bulbs is to mix 5 tablespoons of 10-10-10 fertilizer and 2 cups of bone meal per ten square feet area of bulb garden.  Repeat the application when shoots appear, but be careful that fertilizer does not come into direct contact with plant tissue.

Planted liberally, Ixia will make a wonderful show in your spring garden.  The flowers are fine for cutting and arrangements, too.  You'll be glad you tried this beautiful South African native.

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Monday, September 20, 2010

Eucomis - Tropical Pineapple Lily


Of all the tropical bulbs I know, Pineapple Lily is one of the most amusing, resembling a tousle-headed cartoon character from outer space.  Long spikes up to 24" appear in late summer to early fall, bristling with hyacinth-like flowers and topped with a crown of leafy green.  Flower colors range from light green to purple.  The common name is inspired by the plant's resemblance to the tropical fruit.

Pineapple Lily belongs to the genus Eucomis (pronounced YOU-com-iss), which name is a combination of two Greek words meaning "beautiful hair of the head".  It is a member of the Hyacinthaceae family.  Eucomis comprises about a dozen species native to South Africa, Botswana, Lesotho, Swaziland, Malawi and Zimbabwe.  Their native habitat includes grassy savannas, forests, near rivers and swamps.  They are rarely found in arid regions.

Eucomis was introduced in 1878 by the famous James Veitch and Sons nursery near Exeter.  The Veitch nursery was one of the most important nurseries in the UK.  The family is immortalized in the names of many ornamental landscape plants.

Eucomis adds a bold, tropical appearance to the landscape.  It is very suitable for perennial borders and container gardens.  An African or tropical theme garden would be incomplete without lots of them. 

Pineapple lily is cold hardy in USDA climate zones 7b to 11. Gardeners in colder climates lift and store them over winter for planting the following spring.  Take a sample of your garden soil to your local Cooperative Extension Service office before planting.  For a nominal fee, they will send it to a lab for analysis and recommendations.

Eucomis prefers full sun and average, well-drained garden soil.  Prepare the planting bed by cultivating at least 8" deep, removing all traces of weeds.  A good all-around practice for bulbs and such is to mix 5 tablespoons of 10-10-10 fertilizer and 2 cups of bone meal per ten square feet area of bulb garden.  Repeat the application when growth appears, but be careful that fertilizer does not come into direct contact with plant tissue.

Plant the Eucomis bulbs about 4" deep.  Depth is measured to the bottom of the hole.  Space the bulbs 8" to 12" apart.

Eucomis requires very little maintenance.  It is perennial, so you can leave the plants undisturbed for years.  Water regularly, but don't over-water.  If planted in a windy area, the flower stalks may require staking.  After blooming, be sure to let the leaves yellow and die before cutting them.  Leaving them alone will allow the bulbs to build up food reserves for a glorious show the next year.

Though introduced over 130 years ago, Eucomis may be a new discovery to many gardeners, and perhaps to you.  If you've not tried this novel Pineapple Lily, you should include it in your garden this coming spring.

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Saturday, September 18, 2010

Discover Hardy Gloxinia


Alexander von Humboldt (1769 - 1859), German traveler and explorer once complained, "People often say that I'm curious about too many things at once: botany, astronomy, comparative anatomy.  But can you really forbid a man from harbouring a desire to know and embrace everything that surrounds him?"

Humboldt had been trained in biology, geology, chemistry, physics and history.  With knowledge and wanderlust, he followed his passion and traveled to South America to explore the continent.  Following his five-year journey, he published over the next twenty years a thirty volume account of his exploration, and introduced the world to wonders of that continent.  Charles Darwin considered him "the greatest scientific traveler who ever lived."

Pierre Nicolas Le Chéron d'Incarville, following his passion, also introduced the world to exotic wonders.  Those, however, were of the Orient.  d'Incarville's first passion was to take Christianity to China.  As a Jesuit missionary, he was charged to convert the Qianlong Emperor.  The emperor was not interested, but they developed mutual respect based upon their common interest in plants.  While in China, d'Incarville wrote several works on China which were published in Europe, including a French-Chinese dictionary.  He also catalogued Chinese plants and sent back seeds unknown to Europe.

A genus of plants which he introduced to the West was given his name to honor his work:  Incarvillea (pronounced in-car-VIL-ee-uh).  The genus contains about 16 species, all native to central and eastern Asia.

Jean Marie Delavay (1834–1895) was another who was curious about many things at once.  A French missionary to China, he was also passionate about plants and exploration.  His missionary zeal worked both ways, for as he worked to introduce Chinese to Christ, he worked to introduce France to the plants of China.  He sent over 200,000 specimens to his homeland.  From them, over 1500 new species were discovered.

Several plants commemorate Father Delavay's work in their names.  One is Incarvillea delavayi (pronounced del-uh-VAY-ee), a species that honors two great plant explorers at once. 

I. delavayi, also known as hardy gloxinia, is a lovely selection for the garden.  With velvety, deciduous foliage, it grows to 24" tall and produces showy pink or white flowers.  The flowers appear in late spring to mid-summer.  They're fragrant, too, and great for cutting.  Plants self-sow readily from seed.  Many gardeners include hardy gloxinias in their butterfly gardens.  They are also suitable for container gardens, and can be grown indoors.

I. delavayi is cold hardy in USDA climate zones 6 to 10.  The site should be in full sun or partial shade.  Soil should be well-drained, with pH ranging from 6.1 to 7.8.  Incarvillea is drought-tolerant, so is often chosen for xeriscaping.  That said, however, Incarvillea flowers best when the soil is slightly moist.

As always, take a sample of your garden soil to your local Cooperative Extension Service office before planting.  They will send it to a lab for analysis and recommendations.  Expect to pay a nominal fee.  If you don't understand the report, ask the County Agent to interpret it for you.

Planting begins in spring.  Prepare the planting bed by cultivating at least 8" deep, removing all traces of weeds.  A good all-around practice is to mix 5 tablespoons of 10-10-10 fertilizer and 2 cups of bone meal per ten square feet area of garden.  Repeat the application when growth appears, but be careful that fertilizer does not come into direct contact with plant tissue.

Plant hardy gloxinia tubers about 3" to 5" deep.  Depth is measured to the bottom of the hole or trench.  If the tubers are separated, they may be planted horizontally.  Recommended plant spacing is 12" to 15" apart.  Water well, then let the soil become slightly dry before watering again.  The plants don't require much maintenance.

Unfortunately, hardy gloxinias are not planted widely enough.  When discovered, gardeners often try them out of curiosity.  But it is that desire to know and embrace that characterizes plant lovers.  So follow that desire to explore.  Try hardy gloxinias in your garden.

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Enjoy The Fragrance Of Summer Hyacinth


When warm breezes bear their fragrances, Summer Hyacinth should be among them.  Also known as Galtonia candicans, Summer Hyacinth brings the beauty of hyacinths to your late summer garden.  It's a member of the Hyacinthaceae family, perennial plants that grow from flower bulbs.  The blooms are much taller than Dutch Hyacinths.  Flowers are produced in late summer to early fall on stems up 48" to long.  After flowering, the leaves yellow and die.

The genus, Galtonia (pronounced gal-TOH-nee-ah), was named to honor the brilliant Sir Francis Galton (1855 - 1911).  Galton was a man of exceptional genius and a member of a family of Victorian notables, including Charles Darwin.  Not simply a dabbler, he was an accomplished explorer, anthropologist, inventor, meteorologist, geographer and statistician.  Galton also founded such disciplines as eugenics and psychometrics, and laid the foundation in the study of genetics.

G. candicans (pronounced KAN-dee-kans) is arguably the most popular of the few Galtonia species.  Candicans refers to the white color of the bell-shaped flowers.  It is native to South Africa.

Summer Hyacinth is cold hardy in USDA climate zones 6 to 8 if mulched during winter.  It is completely cold hardy in climate zones 9 to 10.  Gardeners in colder climates can grow Summer Hyacinth plants in containers or in the garden, dig them in fall, and store them over winter.  However, it must be noted that Summer Hyacinths really don't like to be disturbed.

Summer Hyacinths thrive in full sun and well-drained soil.  Best pH should range from 6.5 to 7.5.

As always, take a sample of your garden soil to your local Cooperative Extension Service office before planting.  They will send it to a lab for analysis and recommendations.  Expect to pay a nominal fee.  If you don't understand the report, ask the County Agent to interpret it for you.

Planting begins in spring.  Prepare the planting bed by cultivating at least 8" deep, removing all traces of weeds.  A good all-around practice for bulbs and such is to mix 5 tablespoons of 10-10-10 fertilizer and 2 cups of bone meal per ten square feet area of bulb garden.  Repeat the application when growth appears, but be careful that fertilizer does not come into direct contact with plant tissue.

Plant the bulbs about 6" deep.  Depth is measured to the bottom of the hole.  Recommended plant spacing is 8" to 12" apart.

The plants require very little maintenance.  Plant them and forget about them.  They are wonderful for bulb gardens, perennial gardens, container gardens.  Summer Hyacinths are superb as cut flowers.  They last a long time.  The white blooms are wonderful when contrasted with plants having darker colored foliage and flowers.  After blooming, be sure to let the leaves yellow and die before cutting them.  Leaving them alone will allow the bulbs to build up food reserves for a glorious show the next year.  Believe me, a generous planting of Summer Hyacinths will delight the eye and nose.

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