2011
'New Harmony' American Elm
'Rose Creek' Abelia
Giant Coneflower
'Pink Crystals' Ruby Grass
Silver Linden

2010
'Silver Falls' Dichondra
Toad Lily
Koreanspice Viburnum
Indiancherry
Caddo Maple

2009
Diamond Frost Euphorbia
Mexican Feather Grass
Chokeberry
Chokeberry Fruit
Arizona Cypress
Arizona Cypress Bark
Persian Parrotia
Persian Parrotia Bark

2008
Spilanthes
Hellebore
American Beautyberry
Bosnian Pine

2007
Blanket Flower
Evening Primrose
Southern Waxmyrtle
Redbud

2006
Wishbone Flower
Anise Hyssop
Diabolo® Ninebark
Crabapple

2005
Summer Snapdragon
Perennial Plumbago
Crossvine
Cedar Elm

2004
Firebush
Autumn Sage
Winter Jasmine
Shantung Maple

2003
Kentucky Coffee Tree
Pink Velour® Crape Myrtle
Japanese Painted Fern
Yellow Bells

2002
Bur Oak
Japanese Kerria
Magnus Purple Coneflower
Margarita Sweet Potato

2001
Shumard Oak
Deciduous Holly
Siskiyou Pink Gaura
Mexican Zinnia

2000
Bald Cypress
'Magic Carpet' Spirea
'Homestead Purple' Verbena
Fan Flower

1999
Chinese Pistache
Oakleaf Hydrangea
Powis Castle
Purple Fountain Grass