Worm Grass Wormwood, American
Wormwood, Beach (spp.) Wormwood, Beach 'Silver Brocade'
Wormwood, Coastal Strand (spp.) Wormwood, Coastal Strand 'David's Choice'
Wormwood, Roman 'Worpelsdon' Sweetgum
Woundwort, Marsh Wright Acacia
Wright Catclaw Wrinkle-Leaf Goldenrod 'Fireworks'
'Xanthocarpa' American Holly Yanquapin
Yarrow, Golden Yaupon Holly (spp.)
Yaupon Holly 'Bordeaux' Yaupon Holly Dwarf
Yaupon Holly 'Katherine' Yaupon Holly 'Schilling's Dwarf'
Yaupon Holly Weeping Yellow Adder's Tongue
Yellow Alder (spp.) Yellow Bells
'Yellow Berry' California Holly: arbutifolia cerina Yellow Buckeye
Yellow Chestnut Oak Yellow Coneflower
Yellow Cosmos (spp.) Yellow Cosmos 'Cosmic Orange'
Yellow Cosmos 'Cosmic Yellow' Yellow Cosmos 'Ladybird Scarlet'
Yellow Cosmos 'Lemon Twist' Yellow Cosmos 'Sunny Red'
Yellow Cucumber Magnolia Yellow Cypress (spp.)
Yellow Cypress 'Aureo-variegata' Yellow Cypress Weeping
Yellow Dot Yellow Elder
Yellow Floating Heart Yellow Indian Grass 'Indian Steel'
Yellow Jessamine Yellow Lady's Slipper
Yellow Locust (spp.) Yellow Locust 'Frisia'
Yellow Locust Golden Yellow Locust 'Purple Robe'
Yellow Locust 'Tortuosa' Yellow Moccasin Flower
Yellow Mountain Avens (spp.) Yellow Mountain Avens 'Grandiflora'
Yellow Native Azalea (spp.) Yellow Orchid Vine
Yellow Oxeye Daisy Yellow Passionflower
Yellow Pitcher Plant 'Peaches & Green' 'Yellow Plume' Blanket Flower: pulchella
Yellow Poplar (spp.) Yellow Poplar 'Arnold'
Yellow Stargrass 'Yellow Sun' Blanket Flower: pulchella
'Yellow Torch' Mexican Sunflower Yellow Trillium
Yellow Trout Lily Yellow Trumpet Flower
Yellow Trumpet 'Peaches & Green' Yellow Wakerobin
'Yellow Wall' Virginia Creeper Yellow Water Weed
Yellow Wood 'Rosea' Yellow Wood, American 'Rosea'
Yellow-eyed Grass Yellowtop
Yellowwood Yew, Florida
Yew, Stinking 'Yodel Blue' Prairie Gentian
'Yokoi's White' Japanese Poinsettia Youth on Age Plant