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,… Persian Silk Tree – National Arboretum, Washington… Old Capitol Columns #4 – National Arboretum, Washi… Cicada-Killer Wasp – National Arboretum, Washingto… Frangipani Flower – National Arboretum, Washington… Chinese Trumpet Vine – National Arboretum, Washing… Coreopsis "Red Shift" – National Arboretum, Washin… Crape Myrtle Flowers – National Arboretum, Washing… "Black Flamingo" – National Arboretum, Washington… Zephyranthes Rosea – National Arboretum, Washingto… Bonsai Japanese Yew – National Arboretum, Washingt… Eupatorium fortunei – National Arboretum, Washingt… Giant Hibiscus – National Arboretum, Washington D.… Purple and White Zinnia – National Arboretum, Wash… Dancing on a "Moonbeam" – National Arboretum, Wash… "Purple Dome" Aster – National Arboretum, Washingt… Coreopsis "Sweet Dreams" – National Arboretum, Was… Bonsai Chinese Juniper – National Arboretum, Washi… Dwarf Hinoki Cypress – National Arboretum, Washing… Bonsai American Hornbeam – National Arboretum, Was… Bonsai Lantana Tree – National Arboretum, Washingt… Dwarf Japanese Garden Juniper – National Arboretum… White Spider Chrysanthemum Buds – National Arboret… Formosa Pine #1 – National Arboretum, Washington D… Formosa Pine #2 – National Arboretum, Washington D… The Zither Player – National Arboretum, Washington… Bleeding Heart Vine – National Arboretum, Washingt… Japanese Cedar #1 – National Arboretum, Washington… Japanese Cedar #2 – National Arboretum, Washington… Leopard "Lily" – National Arboretum, Washington D… Crape Myrtle – National Arboretum, Washington DC A Study in Orange – National Arboretum, Washington… "Twist-n-Shout" Hydrangea – National Arboretum, Wa… Japanese Stone Lantern #3 – National Arboretum, Wa… Yellow Vanda Orchid – National Arboretum, Washingt… "Lady in Red" Hydrangea – National Arboretum, Wash… Seeing Spots – National Arboretum, Washington DC Blooming Pearls – National Arboretum, Washington D… Windswept – National Arboretum, Washington DC Formosa Pine #2 – National Arboretum, Washington D… Purple Zinnia – National Arboretum, Washington DC Balloon Flower – National Arboretum, Washington DC Bonsai Ginkgo – National Arboretum, Washington DC Smokin' – National Arboretum, Washington DC Bonsai Chinese Juniper – National Arboretum, Washi… Desert Willow – National Arboretum, Washington DC The Other Side of the Ponderosa Pine – National Ar… The Green-eyed Monster – National Arboretum, Washi… Red Means "Stop" and Green Means "Go" – National A… Hollyhock and Company – National Arboretum, Washin… Peruvian Lily – National Arboretum, Washington DC "Solar Flare" Orchid – National Arboretum, Washing… "Franz Schubert" Phlox – National Arboretum, Washi… Rose Hip – National Arboretum, Washington DC Sunflower Burst – National Arboretum, Washington D… Lilies on the Rocks – National Arboretum, Washingt… Leatherleaf Mahonia – National Arboretum, Washingt… Tiny Hope Asian Lilies – National Arboretum, Washi… Laying Her Eggs – National Arboretum, Washington D… Japanese Maple – National Arboretum, Washington DC Taiwan Red Pine – National Arboretum, Washington D…