Friday, November 17, 2017

2018 Perennial Plant of the Year

Photo Credit: Walter's Gardens, Inc.

"The Perennial Plant Association has awarded the title Perennial Plant of the Year® 2018 to Allium ‘Millenium’. This herbaceous perennial, relative to the common onion, is a workhorse of the late summer garden. Bred by Mark McDonough, horticulture researcher from Massachusetts,

"...This cultivar is the result of a multigenerational breeding program involving Allium nutans and A. lusitanicum (formerly Allium senescens ssp montanum), selected for late flowering with masses of rose-purple blooms, uniform habit with neat shiny green foliage that remains attractive season long, and for its drought-resistant constitution.

"Allium ‘Millenium’ has numerous virtues to add to the landscape setting. Growing best in full sun, each plant typically produces an upright foliage clump of grass-like, glossy deep green leaves reaching 10-15” tall in spring. In midsummer, two to three flower scapes rise above the foliage with each scape producing two or three showy two-inch spherical umbels of rose-purple florets that last as long as four weeks. The flower umbels are completely round (spherical), not domed or hemispherical as they are in some Allium species.  They dry to a light tan often holding a blush of their former rose-purple color.  While other alliums can look scraggly in the heat of the summer, ‘Millenium’ does not let the heat bother it!  Easily grown in zones 4-9 (possibly zone 3) makes it a great perennial in many areas of the country.  In very hot summer climates it does appreciate afternoon shade."

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