Tulip Poplar (spp.) Tulip Tree (spp.)
Tulip, Hybrid (spp.) Tupelo, Black (spp.)
Two Row Stonecrop (spp.) Umbrella Tree (spp.)
Umbrella Tree, Queensland (spp.) Viburnum, American Cranberrybush (spp.)
Viburnum, Burkwood (spp.) Vinca, Creeping (spp.)
Washington Hawthorn Water Birch (spp.)
Wax Begonia (spp.) Weeping Fig (spp.)
White Ash (spp.) White Cedar (spp.)
White Fir (spp.) White Oak
White Pine (spp.) Whitewood, Canary (spp.)
Winged Euonymus (spp.) Wintercreeper Euonymus (spp.)
Wintercreeper (spp.) Wisteria, Chinese (spp.)
Yellow Poplar (spp.) Yew Pine, Chinese (spp.)
Yew, Common (spp.) Yew, English (spp.)
Yew, Japanese (spp.) Yew, Southern (spp.)
Yucca, Adam's Needle (spp.) Yucca, Common (spp.)
Yucca, Tree (spp.) Zonal Geranium (spp.)