Smokin' – National Arboretum, Washington DC Lindley's Butterfly Bush – National Arboretum, Was… Bonsai Ginkgo – National Arboretum, Washington DC Balloon Flower – National Arboretum, Washington DC Purple Zinnia – National Arboretum, Washington DC Formosa Pine #2 – National Arboretum, Washington D… Windswept – National Arboretum, Washington DC Blooming Pearls – National Arboretum, Washington D… Seeing Spots – National Arboretum, Washington DC "Lady in Red" Hydrangea – National Arboretum, Wash… Yellow Vanda Orchid – National Arboretum, Washingt… Japanese Stone Lantern #3 – National Arboretum, Wa… Yellow Daylily – National Arboretum, Washington DC "Twist-n-Shout" Hydrangea – National Arboretum, Wa… A Study in Orange – National Arboretum, Washington… Crape Myrtle – National Arboretum, Washington DC Leopard "Lily" – National Arboretum, Washington D… Japanese Beetle – National Arboretum, Washington D… What's Upside Down Tiger Lily? – National Arboretu… Banana Flower – National Arboretum, Washington DC He Had High Hopes – National Arboretum, Washington… Orange Marigold – National Arboretum, Washington D… Purple Zinnia, Brown Skipper – National Arboretum,… Bonsai Chinese Juniper – National Arboretum, Washi… Desert Willow – National Arboretum, Washington DC The Other Side of the Ponderosa Pine – National Ar… La Fresque des Québécois #2 – Place Royale, Québec… La Fresque des Québécois #1 – Place Royale, Québec… The Green-eyed Monster – National Arboretum, Washi… Red Means "Stop" and Green Means "Go" – National A… China Rose – National Arboretum, Washington DC Banana Yucca – Botanic Gardens, Denver, Colorado Beneath the Bough – Botanic Gardens, Denver, Color… The Tulip Jungle – Botanic Gardens, Denver, Colora… The Zen Doorway – Botanic Gardens, Denver, Colorad… "So Proud of my Children" – Botanic Gardens, Denve… Moore in the Gardens – Botanic Gardens, Denver, Co… The Yellow Rose of Denver – Botanic Gardens, Denve… Profusion – Botanic Gardens, Denver, Colorado Tinpot 'Cuda – Botanic Gardens, Denver, Colorado Hollyhock and Company – National Arboretum, Washin… Brown Palace Reflections – Denver, Colorado Rosa "Carefree Spirit" – National Arboretum, Washi… Toffee-Nosed Kniphofia – National Arboretum, Washi… Apprentice Specials – East Colfax Avenue, Denver,…