FAQ: I have a heavily shaded lawn and have given up on trying to grow grass...What would you suggest?

Asiatic Jasmine lawn substitute

Q. We live approximately 60 miles southeast of Atlanta. I have a heavily shaded lawn and have given up on trying to grow grass. I have been advised to try Lenten Roses and ferns as an alternative. We have very hard clay soil but sloping, so have pretty good drainage. What would you suggest?

A. There are two ways you can deal with this. The first would be to develop a lawn substitute planted with shade loving species that tolerate some foot traffic. Appropriate plants could include Bugle Weed (Ajuga reptans), Sedge (Carex morrowii), Kenilworth Ivy (Cymbalaria aequitriloba), Kew Wintercreeper (Euonymus fortunei 'Kewensis'), Variegated Creeping Charlie (Glechoma hederacea 'Variegata'), Moss (Hypnum imponens), Lily Turf (Liriope muscari), Creeping Lily Turf (Liriope spicata), Creeping Wire Vine (Muehlenbeckia axillaris) or Dwarf Creeping Wire Vine (Muehlenbeckia axillaris 'Nana'), Mondo Grass (Ophiopogon japonicus) or Dwarf Mondo (Ophiopogon japonicus 'Nana').

The second would be to develop a shade garden in which foot traffic is not allowed, or is restricted to paths and stepping stones. Appropriate plants could include Cast Iron Plant (Aspidistra elatior), ferns, Lily Of The Valley (Convallaria majalis), Lenten Rose (Helleborus spp.), English Ivy (Hedera helix 'Needlepoint', 'Anne Marie', 'Gold Child', 'Ingelise', 'Teardrop'), Hosta, Allegheny Spurge (Pachysandra procumbens), Japanese Spurge (Pachysandra terminalis), Spike Moss (Selaginella uncinata or other species), Asiatic Jasmine (Trachelospermum asiaticum), and Vincas (V. major or V. minor). Of course, any of the low-growing lawn substitute type plants could also be included.

I also suggest amending your hard clay soil. Spread a four inch layer of organic compost over the area, and work it into the top six inches of soil with a tiller. Next, spread a 4 inch layer of sand over the area, and till it into the first six inches of soil. This should help to make the site more hospitable.

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Matted Lignum: A Treat For Big Birds, Children And You

Once there was a very big bird (yellow, I think, or perhaps light brown) that loved sweet treats.  It was huge, about 12' high and weighed maybe 500 lbs.   This bird couldn't fly because it had no wings, but that didn't matter much for it had few enemies.  It lived in a small, sheltered neighborhood.

But bullies moved in and grew in number.  Before long, the big bird existed no more.  They ate it.  Strangely, few remember.  Now they claim the neighborhood as though it had always been theirs, and their children eat the treats.

The bird in mind is not the star of television and movies, but a very large species called the Moa, native to New Zealand.  Perhaps its closest living relative is the emu, or possibly the South American tinamous.  But, to get an image in your mind, think of the ostrich, only much bigger and with a formidable hooked beak.  It browsed on a wide variety of plants including the sweet fruit of Muehlenbeckia axillaris (pronounced mew-len-BEK-ee-ah ax-ILL-ar-iss), also known as Matted Lignum, Creeping Wire Vine, Maidenhair Vine, and Mattress Vine.

Until humans arrived on the scene, the only known enemy of the moa was an enormous raptor called Haast's Eagle.  Haast's eagles weighed up to 33 pounds and attacked moas from above at speeds of over 50 miles per hour.

Then Maori arrived around 1300AD.  They are now considered to be the indigenous people of New Zealand.  As you know, indigenous people are often portrayed as living in harmony with nature.  In fact, the Maori hunted the moa to extinction, perhaps within a hundred years after their arrival.  As the moa disappeared, so did the Haast's eagle.

The pearly, succulent, star-shaped fruit of Matted Lignum is edible and rather sweet.  To be precise, it is not the fruit that is edible; it resembles a black seed.  But the succulent sepals and petals surrounding the fruit are enjoyed, especially by Maori children.  (If your child is not Maori, I suggest you check with your physician before you allow him to eat the fruit.)

Muehlenbeckia, native to New Zealand, Australia and Papua New Guinea, was named in honor of Henri Gustave Muehlenbeck, a 19th century French physician who investigated the flora of Alsace.  In those days, most physicians were botanists, too.  But he got nowhere near New Zealand, as far as I can tell.  "Axillaris" means "in the leaf axils", referring to the position of the flowers and fruit.

Gardeners know Matted Lignum as an effective ground cover.  When prostrate, the plant forms a dense mat, up to 4", of tough, woody vines.  "Lignum" refers to the tough vines, as does the name, Creeping Wire Vine.  The name, Mattress Vine, refers to the density of the mat.  It tolerates foot traffic quite well.  It is also excellent for controlling erosion in your landscape.

I have no idea why it's called Maidenhair Vine, as it doesn't resemble the hair of any maidens I've known.  The small, evergreen leaves are bronze in color from fall to spring.  In addition to its use as a ground cover, it's excellent for container gardens and hanging baskets, topiarys, and cascading over walls.

Matted Lignum is hardy in USDA climate zones 6 through 9.  Soil should be well-drained, with pH ranging from 6.1 to 7.8.  Mature plants are drought tolerant.  It is deer-resistant.

To determine whether soil amendments are necessary, take a soil sample to your nearest Cooperative Extension Service office.  They will provide you with a helpful report for a small fee.

Prepare the planting bed for Matted Lignum by cultivating at least 6" deep, removing all traces of weeds. Compacted soil should be cultivated to 10" deep. Compost may be incorporated into the soil.  Fertilizer be used.  If you choose to do so, incorporate 5-10-15 fertilizer at a rate of no more 2 lbs. per 100 square feet into the top 4" to 6" of soil. Avoid synthetic fertilizers contacting any part of your plants.

Plant Matted Lignum 24" to 30" apart. Dig planting holes into the cultivated soil a little less deep than the depth of the growing container. Place the plants into the holes and back-fill, watering as you go. Press soil around the root balls. Do not cover entirely the root balls with soil. The tops should be slightly exposed. Add a top-dressing of mulch around the plants, not on top of them, about 1" deep.

The only negative is that it can cover ground, as a good ground cover should, therefore it should be trimmed occasionally to keep it confined.

Matted Lignum is an interesting solution plant.  It's a fine ground cover, controls erosion beautifully and tolerates foot traffic.  It makes lovely topiarys, performs well in container gardens and hanging baskets, and cascades nicely over stone walls.  Not only that, you'll have a fascinating story to tell your guests as you stroll through your garden.  What a treat that will be!

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Lawn Grass Substitutes

Mondo - Ophiopogon - lawn

For some homeowners, lawn work is therapeutic and the end result is a matter of pride.  Others consider it to be necessary, but time-consuming and an unwelcome expense.  Some folks think lawns are ecologically unfriendly, requiring chemical applications and too much water.  The fact is that lawns can be all of that, more or less.  It depends on your perspective.  But this guide is not intended to argue the virtues and vices of grass.  The purpose is to stimulate your thinking about options and to inform you of various plant alternatives to the typical lawn.

What practical purposes do lawns serve?

• Lawns prevent wind and water erosion.
• Lawns moderate soil and air temperatures.
• Lawns suppress growth of undesirable plants.
• Lawns create buffers.
• Lawns allow visibility.
• Lawns provide resilient living surfaces for outdoor activities.

Grass does all of these so well.

When thinking about alternatives, you should consider which of these purposes you need to satisfy, then determine whether anything else will work so well for you as grass.

As with any landscape plan, you'll need to assess your circumstances and choose your plants accordingly.  Consider your maximum and minimum seasonal temperatures, exposure to sun or shade, available water, slope, soil characteristics.

Almost any low-growing plant will help to prevent erosion, moderate temperatures, suppress weeds, create buffers and allow for visibility.  But fewer accommodate foot traffic in outdoor living spaces as well as grass.  Even grass has its limits.

The following plants tolerate some foot traffic, especially if planted around flag stones or pavers, and are easy to step over.  Some are drought-tolerant.  The list is not exhaustive.  The descriptions are very brief.

Acaena inermis.  Also known as New Zealand Bur.  Best varieties are 'Purpurea' and 'Blue Haze'.  Evergreen foliage of 'Purpurea' turns red in full sun.  Foliage of 'Blue Haze is blue-gray color.  Creamy white flowers in early summer.  Full sun to partial shade in USDA climate zones 6-9.  Grows to 6" in height.  Drought tolerant.  Low tolerance for foot traffic.

Acinos alpinus.  Also known as Alpine Calamint or Alpine Catmint.  Pinkish purple flower from spring to fall.  Full sun to partial shade in USDA climate zones 5-10.  Height approx. 6".  Low tolerance for foot traffic.

Ajuga reptans.  Also known as Carpet Bugleweed.  Bronze to variegated foliage.  Blue flowers on short spikes in spring.  Full sun to full shade.  USDA climate zones 3-9.  Well-drained soil.  Drought-tolerant.  Best varieties include 'Burgundy Glow' (3" to 4"), 'Chocolate Chip' (2" to 4"), 'Gaiety'/'Bronze Improved' (3" to 4").  Medium tolerance for foot traffic.

Arenaria balearica.  Also known as Mossy Sandwort.  Evergreen foliage.  White blooms in spring.  Full sun to partial shade in USDA climate zones 4-11.  Grows to under 6" in height.  Medium tolerance for foot traffic.

Chrysogonum virginianum 'Pierre'.  Also known as Green and Gold.  Yellow flowers over green foliage.  Full sun to partial shade.  USDA climate zones 5-9.  Moist soil.  Grows 4" to 6" in height.  Low tolerance for foot traffic.


Cymbalaria aequitriloba.  Also known as Kenilworth Ivy.  Evergreen foliage.  White to purple flowers in spring to summer.  Light shade to full shade in USDA climate zones 7-10.  Drought tolerant.  Grows to 6".  Low tolerance for foot traffic.

Euonymus fortunei 'Kewensis'.  Glossy green foliage only 1/4" to 5/8".  Full sun to full shade.  Drought-tolerant.  USDA climte zones 4-9.  Grows to 3".  Medium tolerance for foot traffic.

Ficus pumila.  Also known as Creeping Fig.  Green or variegated foliage.  Can climb.  Drought-tolerant.  Full sun to partial shade in USDA climate zones 8b-10.  Grows from 1/2" to 1 1/2" in height.  Medium tolerance for foot traffic.

Glechoma hederacea 'Variegata'.  Also known as Variegated Ground Ivy or Variegated Creeping Charlie.  Blue flowers spring to summer.  Full sun to full shade in USDA climate zones 3-9.  Grows to under 3".  Low tolerance for foot traffic.

Herniaria glabra.  Also known as Green Carpet.  'Sea Foam' is a good variety.  Evergreen green or variegated leaves turn red in winter.  White flower.  Full sun to partial shade in USDA climate zones 6-9 (some gardeners report success in zones 5 - 11).  Grows to 3".  High tolerance for foot traffic.

Houstonia caerulea.  Also known as Bluets.  Light blue flowers from spring to fall.  Full sun to partial shade in USDA climate zones 3-8.  Low tolerance for foot traffic.

Hydrocotyle sibthorpioides.  Also known as Pennywort.  Small white flowers in summer.  Requires moist soil.  Full sun to partial shade in USDA climate zones 8-10.  Medium tolerance for foot traffic.

Laurentia (Isotoma) fluviatilis.  Also known as Blue Star Creeper.  Blue flowers in spring.  Evergreen to semi-evergreen foliage.  Full sun to partial shade in USDA climate zones 5b to 10.  Grows to 3".  High tolerance for foot traffic.

Leptinella gruveri.  Also known as Brass Buttons.  The hybrid 'Platt's Black' is very beautiful.  Small yellow flowers in summer.  Forms dense evergreen carpet.  Full sun to partial shade in USDA climate zones 8-10.  High tolerance for foot traffic.

Lotus corniculatus.  Also known as Bird Foot Trefoil.  Dense dark green mat.  Orange buds and yellow flowers from spring to fall.  Full sun in USDA climate zones 3-9.  Grows to 4".  High tolerance for foot traffic.

Lysimachia nummularia 'Aurea'.  Also known as Golden Creeping Jenny.  Low, mat-forming plant with gold leaves and yellow flowers.  Full sun to partial shade in USDA climate zones 3-10.  Grows to 3".  Low tolerance for foot traffic.

Mazus reptans.  Blue or white flowers in spring.  Fast-spreading.  Full sun to partial shade in USDA climate zones 4-9.  Grows to 2" in height.  Medium tolerance for foot traffic.

Muehlenbeckia axillaris.  Also known as Creeping Wire Vine or Maidenhair Vine.  Low, mat-forming plant.  Small white flowers in summer.  Full sun to full shade in USDA climate zones 5-10.  Drought-tolerant.  Grows to 4".  High tolerance for foot traffic.

Ophiopogon japonicus 'Nana'.  Also known as Dwarf Mondo Grass.  Evergreen, dark leaf blades 1/8" wide.  Drought-tolerant.  Full sun to full shade in USDA climate zones 6-10.  Grows to 3".  Medium tolerance for foot traffic.

Phlox subulata.  Also known as Thrift or Creeping Phlox.  Pink, red, white, lavender flowers in early spring.  Tolerates drought and wide range of soil conditions.  Full sun in USDA climate zones 3-9.  Grows 4" to 6" in height.  Medium tolerance for foot traffic.

Potentilla neumanniana 'Nana'.  Also known as Creeping Cinquefoil.  Dark green leaves.  Evergreen.  Yellow flowers in late spring.  Full sun in USDA climate zones 5-10.  Grows to 3".   High tolerance for foot traffic.

Pratia angulata.  Also known as Star Creeper.  Dark green leaves.  White to blue flowers in spring.  Red fruit in fall.  Full sun to partial shade in USDA climate zones 6-10.  Grows to 2".  Low tolerance for foot traffic.

Pratia pendunculata.  Also known as Little Star Creeper.  Syn. Isotoma, Laurentia.  'County Park' and 'Tom Stone' are desirable varieties.  Blue to purple star-shaped flowers from spring to fall.  Full sun to partial shade in USDA climate zones 7-10.  Grows to under 6".  Low tolerance for foot traffic.

Rubus calycinoides.  Also known as Creeping Raspberry.  Dark green, puckered foliage.  Evergreen.  Drought-tolerant.  Full sun to partial shade in USDA climate zones 6-10.  Grows to 2".  Low tolerance for foot traffic.

Sagina subulata.  Also known as Scotch Moss.  Green or gold foliage with small white star-shaped flowers.  Forms low, dense mat.  Full sun to partial shade in USDA climate zones 4-9.  Grows to 3".  High tolerance for foot traffic.

Sedum album.  Also known as Baby Tears.  Teardrop-shaped green foliage turns red in fall.  White flowers in summer.  Drought-tolerant.  Full sun to partial shade in USDA climate zones 4-9.  Grows to 4".  Low tolerance for foot traffic.

Sedum acre.  Also known as Gold Moss or Gold Stonecrop.  Soft yellow-green foliage turns red in winter.  Yellow flowers.  Drought-tolerant.  Full sun to partial shade in USDA climate zones 4-9.  Grows to 4".  Medium tolerance for foot traffic.

Sedum hispanicum var. minus.  Also known as Blue Moss, Blue Stonecrop or Tiny Buttons.  Soft blue-gray groundcover produces small pink flowers in summer. Drought-tolerant.  Full sun in USDA climate zones 2-9.  Grows to 4".  Low tolerance for foot traffic.

Sedum lydium.  Also known as Mossy Stonecrop.  Succulent green leaves turn burgundy-red when stressed by drought or cold.  Drought-tolerant.  Full sun in USDA climate zones 5-9.  Grows to 4".  Low tolerance for foot traffic.

Sedum makinoi 'Ogon'.  Small evergreen foliage gold in color with pink shades.  Yellow-green flowers in spring.  Drought-tolerant.  Full sun to partial shade in USDA climate zones 7-9.  Grows to 2" in height.  Low tolerance for foot traffic.

Sedum requieneii.  Also known as Miniature Stonecrop.  Very small green leaves and yellow star-shaped flowers in summer.  Drought-tolerant.  Full sun to partial shade in USDA climate zones 4-9.  Grows to less than 2".  Very durable.  High tolerance for foot traffic.

Sedum spurium 'Dragon's Blood'.  Red and green variegated leaves in whorled clusters.  Red flowers in late summer.  Drought-tolerant.  Full sun in USDA climate zones 3-9. Grows to 3".  Medium tolerance for foot traffic.

Sedum spurium 'Fuldaglut'.  Semi-evergreen, bronze fleshy leaves whorled around the stem.  Turns burgundy in fall.  Pink-red flowers in summer.  Full sun to partial shade in USDA climate zones 3-9.  Grows to 3" in height.  Medium tolerance for foot traffic.

Sedum spurium 'John Creech'.  Semi-evergreen, fleshy foliage.  Pink flowers in early spring.  Full sun in USDA climate zones 3-9.  Grows to 2" in height.  Medium tolerance for foot traffic.

Sedum spurium Tricolor'.  Variegated green, red and white foliage.  Evergreen.  Pink flowers in summer.  Drought-tolerant.  Full sun in USDA climate zones 3-9.  Grows to 4" in height.  Low tolerance for foot traffic.

Sedum tetractinum.  Also known as Chinese Sedum.  Flat evergreen foliage, light green in color turns reddish in fall.  Yellow flowers in summer.  Drought tolerant.  Full sun to partial shade in USDA climate zones 4-9.  Grows to 3" in height.  Low tolerance for foot traffic.

Thymus doerfleri 'Doone Valley'.  Also known as Wild Thyme or Doone Valley Thyme.  Lemon-scented golden variegated foliage is evergreen.  Produces lilac flowers in summer.  Drought-tolerant.  Full sun in USDA climate zones 4-9.  Grows to 4".  Medium tolerance for foot traffic.

Thymus praecox 'Elfin'.  Also known as Miniature Thyme.  Gray-green foliage forms tight mat.  Light pink flowers in summer.  Drought-tolerant.  Full sun in USDA climate zones 5-10.  Grows to under 2".  Medium tolerance for foot traffic.

Thymus praecox 'Pink Chintz'.  Gray-green fragrant foliage is evergreen.  Light pink flowers in summer.  Drought-tolerant.  Full sun in USDA climate zones 4-9.  Grows 1" to 3" in height.  Medium tolerance for foot traffic.

Thymus praecox ' Coccineus'.  Also known as Red Creeping Thyme.  Scented foliage turns bronze in winter.  Red flowers in summer.  Drought-tolerant.  Full sun in USDA climate zones 4-9.  Grows to 4" in height.  Medium tolerance for foot traffic.

Thymus praecox 'Albiflorus'.  Also known as Wild Thyme or White Creeping Thyme.  Scented evergreen foliage.  White flowers in summer.  Drought-tolerant.  Full sun in USDA climate zones 4-9.  Grows to 4" in height.  Medium tolerance for foot traffic.

Thymus praecox 'Pseudolanuginosus'.  Also known as Wooly Thyme.  Scented gray foliage is evergreen.  Pink flowers in summer.  Drought-tolerant.  Full sun in USDA climate zones 4-9.  Grows to 3" in height.  Medium tolerance for foot traffic.

Thymus citriodorus.  Also known as Creeping Lemon Thyme.  Green, lemon-scented foliage is evergreen.  Lilac flowers in summer.  Drought-tolerant.  Full sun in USDA climate zones 4-9.  Grows to 3" in height.  Medium tolerance for foot traffic.

Thymus citriodorus 'Archer's Gold'.  Also known as 'Archer's Gold' Lemon Thyme or Creeping Lemon Thyme.  Bright gold, lemon-scented foliage is evergreen.  Lilac flowers in summer.  Drought-tolerant.  Full sun in USDA climate zones 4-9.  Grows to 3" in height.  Medium tolerance for foot traffic.

Thymus x 'Spicy Orange'.  Green, needle-like foliage is fragrant and evergreen.  Pink flowers in summer.  Drought-tolerant.  Full sun in USDA climate zones 4-9.  Grows to 2" in height.  Medium tolerance for foot traffic.

Trifolium repens 'Atropurpureum'.  Red-bronze evergreen foliage with green margin.  White flowers in spring and summer.  Full sun to partial shade in USDA climate zones 4-9.  Excellent for erosion control.  Grows to under 6" in height.  Medium tolerance for foot traffic.

Veronica liwanensis.  Also known as Turkish Speedwell.  Evergreen, deep green color.  Blue flowers in summer.  Full sun to partial shade in USDA climate zones 4-8.  Grows to under 4" in height.  Low tolerance for foot traffic.

Veronica penduncularis 'Georgia Blue'.  Evergreen foliage turns bronze in fall.  Blue flowers in spring.  Drought tolerant.  Full sun to partial shade in USDA climate zones 4-9.  Grows 3" to 6".  Medium tolerance for foot traffic.

Veronica repens 'Sunshine.'  Also known as 'Sunshine' Creeping Speedwell.  Yellow green foliage.  Bluish-white flowers in spring to summer.  Full sun to partial shade in USDA climate zones 6-9.  Drought-tolerant.  Grows to 1" in height.  Medium tolerance for foot traffic.

Veronica surculosa 'Waterperry'.  Also known as 'Waterperry Blue'.  Lustrous semi-evergreen foliage turns bronze in winter.  Blue flowers in spring.  Full sun to partial shade in USDA climate zones 4-8.  Grows to under 4".  Medium tolerance for foot traffic.

Veronica x 'New Century'.  Evergreen, deep green color.  Foliage turns bronze in winter.  Blue flowers in summer.  Full sun to partial shade in USDA climate zones 4-9.  Grows to 4".  Medium tolerance for foot traffic.

Viola labradorica.  Also known as Labrador Violet.  Foliage changes color throughout seasons, green-blue-black.  Small lilac flowers from spring to fall.  Partial shade in USDA climate zones 3-8.  Grows to under 4".  Medium tolerance for foot traffic.

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