Woodbine 'Scentsation' Woodbine: quinquefolia (spp.)
Woodbine: quinquefolia 'Engelmannii' Woodbine: quinquefolia 'Red WallŪ'
Woodbine: quinquefolia 'Star Showers' Woodbine: quinquefolia 'Yellow Wall'
'Wood's Red' Heavenly Bamboo 'Woodwardii' American Arborvitae
Wormwood, American Wormwood, Roman
'Worpelsdon' Sweetgum Woundwort, Marsh
Wright Acacia Wright Catclaw
Wrinkle-Leaf Goldenrod 'Fireworks' 'Xanthocarpa' American Holly
Yarrow, Fernleaf 'Credo' Yarrow, The Beacon
Yaupon Holly (spp.) Yaupon Holly 'Bordeaux'
Yaupon Holly Dwarf Yaupon Holly 'Katherine'
Yaupon Holly 'Schilling's Dwarf' Yaupon Holly Weeping
Yellow Alder (spp.) Yellow Chestnut Oak
Yellow Coneflower Yellow Jessamine
Yellow Passionflower Yellow Sage (spp.)
Yellow Sage 'Banana Split' Yellow Sage 'Bante Rossa'
Yellow Sage 'Lemon Swirl' Yellow Sage 'LusciousŪ Citrus Blend'
Yellow Sage 'LusciousŪ Grape' Yellow Sage 'LusciousŪ Lemonade'
Yellow Sage 'New Gold' Yellow Sage 'Pink Caprice'
Yellow Sage 'Radiance' Yellow Sage 'Radiation'
Yellow Sage 'Silver Mound' Yellow Sage 'Tropical Fruit'
'Yellow Stone' Daylily 'Yellow Torch' Mexican Sunflower
'Yellow Wall' Virginia Creeper Yellowwood
Yew Pine, Chinese (spp.) Yew Pine, Chinese 'Maki'
Yew, Florida Yew, Japanese (spp.)
Yew, Japanese 'Maki' Yew, Southern (spp.)
Yew, Southern 'Maki' Yucca, Adam's Needle (spp.)
Yucca, Adam's Needle 'Bright Edge' Yucca, Adam's Needle 'Color Guard'
Yucca, Adam's Needle 'Golden Sword' Yucca, Adam's Needle Variegated
Yucca, Common (spp.) Yucca, Common 'Bright Edge'
Yucca, Common 'Color Guard' Yucca, Common 'Golden Sword'
Yucca, Common Variegated Yucca, Hummingbird
Yucca, Red Yucca, Tree (spp.)
Yucca, Tree 'Bright Edge' Yucca, Tree 'Color Guard'
Yucca, Tree 'Golden Sword' Yucca, Tree Variegated
Yunnan Crabapple 'Zagreb' Threadleaf Coreopsis
Zauschneria 'Zebrinus' Maiden Grass
'Zebulon' Common Sunflower Zigzag Iris
Zinnia, Hardy (spp.) Zinnia, Hardy 'Ballerina'
Zinnia, Hardy 'Summer Sun'