Leatherleaf Mahonia – National Arboretum, Washingt… 'Kinsei' Bonzai Azaleas – National Arboretum, Wash… Taiwan Red Pine – National Arboretum, Washington D… "Eikan" Bonzai Azaleas – National Arboretum, Washi… "Nikko" Bonzai Azaleas – National Arboretum, Washi… "Homare" Bonzai Azaleas – National Arboretum, Wash… Cohabitation – National Arboretum, Washington DC "Hozan" Bonzai Azaleas – National Arboretum, Washi… Allium Among the Tulips – National Arboretum, Wash… Bonsai Japanese Premna – National Arboretum, Washi… Cat's Cradle – Ikebana Exhibition, National Arbore… Tangentially Dreaming – National Arboretum, Washin… Bonsai Red Maple – National Arboretum, Washington… Japanese Stone Lantern #2 – National Arboretum, Wa… Gilding the Lily – Ikebana Exhibition, National Ar… Lilac Explosion – National Arboretum, Washington D… Japanese Cedar – National Arboretum, Washington DC Bonsai Red Maple – National Arboretum, Washington… Japanese Black Pine – National Arboretum, Washingt… Bonsai Kurume Azalea – National Arboretum, Washing… Japanese Maple – National Arboretum, Washington DC "Sugi" Cypress – National Arboretum, Washington DC Walking Iris – National Arboretum, Washington DC Purple and White Zinnia – National Arboretum, Wash… Coreopsis "Sweet Dreams" – National Arboretum, Was… "Purple Dome" Aster – National Arboretum, Washingt… Bonsai Japanese Yew – National Arboretum, Washingt… Giant Hibiscus – National Arboretum, Washington D.… Zephyranthes Rosea – National Arboretum, Washingto… Dancing on a "Moonbeam" – National Arboretum, Wash… "Black Flamingo" – National Arboretum, Washington… Coreopsis "Red Shift" – National Arboretum, Washin… Eupatorium fortunei – National Arboretum, Washingt… Leopard "Lily" – National Arboretum, Washington D… He Had High Hopes – National Arboretum, Washington… Old Capitol Columns #4 – National Arboretum, Washi… Purple Zinnia, Brown Skipper – National Arboretum,… Japanese Stone Lantern #3 – National Arboretum, Wa… What's Upside Down Tiger Lily? – National Arboretu… Seeing Spots – National Arboretum, Washington DC Chinese Trumpet Vine – National Arboretum, Washing… Crape Myrtle – National Arboretum, Washington DC Purple Zinnia – National Arboretum, Washington DC "Twist-n-Shout" Hydrangea – National Arboretum, Wa… Crape Myrtle Flowers – National Arboretum, Washing… Yellow Vanda Orchid – National Arboretum, Washingt… Orange Marigold – National Arboretum, Washington D… Blooming Pearls – National Arboretum, Washington D… Banana Flower – National Arboretum, Washington DC Frangipani Flower – National Arboretum, Washington… Formosa Pine #2 – National Arboretum, Washington D… Balloon Flower – National Arboretum, Washington DC Persian Silk Tree – National Arboretum, Washington… A Study in Orange – National Arboretum, Washington… "Lady in Red" Hydrangea – National Arboretum, Wash… Bonsai Ginkgo – National Arboretum, Washington DC Japanese Beetle – National Arboretum, Washington D… Windswept – National Arboretum, Washington DC The Green-eyed Monster – National Arboretum, Washi… Desert Willow – National Arboretum, Washington DC Bonsai Chinese Juniper – National Arboretum, Washi… Cicada-Killer Wasp – National Arboretum, Washingto… The Other Side of the Ponderosa Pine – National Ar… Tiny Hope Asian Lilies – National Arboretum, Washi… Japanese Maple – National Arboretum, Washington DC Lilies on the Rocks – National Arboretum, Washingt… Sunflower Burst – National Arboretum, Washington D… Rose Hip – National Arboretum, Washington DC Potinara Hoku Gem – National Arboretum, Washington… The Big Bang Theory – National Arboretum, Washingt… Keowee Newberry – National Arboretum, Washington D… Daffodils – National Arboretum, Washington DC Tulips Blowin' in the Wind – National Arboretum, W… Stargazer Lily – Ikebana Exhibition, National Arbo… Yoshino Cherry Blossoms – National Arboretum, Wash… Cherry Branch – Ikebana Exhibition, National Arbor… Camellias and Parasols – Ikebana Exhibition, Natio… "Leucantha" Japanese Camellia – Asian Collection,… Tongues of Fire – Ikebana Exhibition, National Arb… The Coppertone Furl – Ikebana Exhibition, National… Bonsai English Hawthorn – National Arboretum, Wash… Pink Lilies – Ikebana Exhibition, National Arboret… Calla Lily Arrangement – Ikebana Exhibition, Natio… Torch Azalea – Asian Collection, National Arboretu… Peacock Feathers and Baskets – Ikebana Exhibition,… Bonsai Chinese Quince – National Arboretum, Washin… Dandelion Parachute Ball – National Arboretum, Was… A Three Ring Circle – Ikebana Exhibition, National… Cherry Blossom Pink – National Arboretum, Washingt… Bonsai Trident Maple – National Arboretum, Washing… Bonsai Western Yellow Pine – National Arboretum, W… Bonsai Japanese Wisteria – National Arboretum, Was… Bees Rampant on a Field Argent Supporting a Peony… Bonsai European Olive Trees – National Arboretum,… Duckies on the Dashboard A Bower of Lilacs – National Arboretum, Washington… Japanese Camellia – National Arboretum, Washington… Nature's Lantern – National Arboretum, Washington… Bonsai Bird's Nest Spruce – National Arboretum, Wa… Low Hanging Fruit – National Arboretum, Washington… Bonsai Kurume Azalea – National Arboretum, Washing… Royal Burgundy Cherry Blossoms – National Arboretu… Moon Orchid – National Arboretum, Washington D.C. Pine Cones – National Arboretum, Washington D.C. Japanese Black Pine – National Arboretum, Washingt… Roman Candles – National Arboretum, Washington D.C… Florida Azaleas – National Arboretum, Washington D… Azaleas in the Rain – National Arboretum, Washingt… Lilacs in the Forest – National Arboretum, Washing… Lijiang River in Spring – National Arboretum, Wash… Bonsai Sargent's Juniper – National Arboretum, Was… Bonsai Trident Maple – National Arboretum, Washing… Bonsai Eastern White Cedar – National Arboretum, W… Bonsai Foemina Juniper – National Arboretum, Washi… Bonsai California Juniper – National Arboretum, Wa… Bonsai Foemina Juniper Grove – National Arboretum,… Bonsai Cedar Elm – National Arboretum, Washington… Bonsai Camellia Flower – National Arboretum, Washi… Bonsai Chinese Elm – National Arboretum, Washingto… Bonsai Japanese Needle Juniper – National Arboretu… Bonsai Pomegranate Tree – National Arboretum, Wash… Reaching Beyond Winter – National Arboretum, Washi… Tree's Company – National Arboretum, Washington DC Lingbi Scholar's Rock – National Arboretum, Washin… Red Taihu Viewing Stone – National Arboretum, Wash…