1999

Pistacia chinensis, Chinese Pistache

Hydrangea quercifolia, Oak-leaf Hydrangea

Artemisia ‘Powis Castle’, Powis Castle Artemisia

Pennisetum setaceum ‘Rubrum’, Purple Fountain Grass

2000

Taxodium distichum, Bald Cypress

Spiraea ‘Magic Carpet’, Magic Carpet Spirea

Verbena canadensis ‘Homestead Purple’, Verbena

Scaevola aemula, Fan Flower

2001

Quercus shumardii, Shumard Oak

Ilex decidua, Deciduous Holly

Gaura lindheimeri ‘Siskiyou Pink’, Gaura

Zinnia angustifolia, Mexican Zinnia

2002

Quercus macrocarpa, Bur Oak

Kerria japonica, Japanese Kerria

Echinacea ‘Magnus’, Purple Coneflower

Ipomoea batatas ‘Margarita’, Sweet Potato

2003

Gymnocladus dioica, Kentucky Coffee Tree

Lagerstroemia indica ‘Whit III’, Pink Velour® Crape Myrtle

Athyrium nipponicum, Japanese Painted Fern

Tecoma stans, Yellow Bells

2004

Acer truncatum, Shantung Maple

Jasminum nudiflorum, Winter Jasmine

Salvia greggii, Autumn Sage

Hamelia patens, Fire Bush

2005

Ulmus crassifolia, Cedar Elm

Bignonia capreolata ‘Tangerine Beauty’, Crossvine

Ceratostigma plumbaginoides, Perennial Plumbago

Angelonia angustifolia, Summer Snapdragon

2006

Malus ‘Prairifire’, Crabapple

Physocarpus opulifolius ‘Monlo’, Diabolo® Common Ninebark

Agastache foeniculum ‘Golden Jubilee’, Anise Hyssop

Torenia fournieri Summer Wave^TM Series, Wishbone Flower

2007

Cercis canadensis var. texensis ‘Oklahoma’, Redbud

Myrica cerifera, Southern Wax Myrtle

Oenothera macrocarpa ‘Comanche Campfire’, Evening Primrose

Gaillardia, Blanket Flower

2008

Pinus heldreichii, Bosnian Pine

Callicarpa americana, American Beautyberry

Helleborus, Hellebore

Acmella oleracea 'Peek-A-Boo', Spilanthes

2009

Cupressus arizonica, Arizona Cypress

Aronia, Chokeberry

Nassella tenuissima, Mexican Feather Grass

Euphorbia 'Inneuphdia', Diamond Frost Euphorbia

2009 - Collector's Choice

Parrotia persica, Persian Parrotia