| W |
| Wakerobin, Blue Ridge; Propellor trillium, Trillium stamineum |
| Wakerobin, Dwarf; Dwarf white flowering trillium, Trillium pusillum |
| Wakerobin, White; White erect trillium, Trillium erectum forma albiflorum |
| Wakerobin; Trillium; Red trillium, Trillium erectum |
| Walking fern, Asplenium rhizophyllum; Camptosorus rhyzophyllus |
| Wallflower, Cheiranthus cheiri |
| Wallich's wood fern, Dryopteris wallichiana |
| Walnut, Black, Juglans nigra |
| Wand flower, Sparaxis |
| Wandering Jew; Purple heart, Setcreasea pallida 'Purple Heart' |
| Warm Wishes rose, Rosa 'FRYxotic' |
| Water clover, Variegated, Marsilea mutica 'Variegata' |
| Water forget-me-not, Myosotis scorpioides |
| Water hyacinth, Eichornia crassipes |
| Water lettuce, Pistia stratiotes |
| Water meal, Wolffia spp. |
| Water pennywort, Hydrocotyle americana |
| Water plantain, Alisma plantgoaquatica; A. subcordatum |
| Water poppy, Hydrocleys nymphoides |
| Water shield; Water target, Brasenia schreberi |
| Water spinach, Ipomea batatas |
| Water tupelo, Nyssa aquatica |
| Water-pepper; Smartweed, Polygonum hydropiper |
| Waxmyrtle, Southern, Myrica cerifera |
| Waxmyrtle, Southern, Myrica cerifera |
| Weigela, Red Prince, Weigela florida 'Red Prince' |
| Weigela, Weigela florida |
| Wekjuvoo Chris Evert rose, Rosa 'WEKjuvoo' |
| Westerland rose, Rosa 'KORwest' |
| Wheel tree, Trochodendron aralioides |
| Whisper rose, Rosa 'DICwisp' |
| White American Beauty rose, Rosa 'F.K. Druschki' |
| White Baby Rambler rose, Rosa 'White Baby' |
| White Flower Carpet rose, Rosa 'NOAschee' |
| White Meidiland rose, Rosa 'MELcoublan' |
| White Rose of York, Rosa x alba |
| White shooting stars, Nicotiana sylvestris |
| White Simplicity rose, Rosa 'JACsnow' |
| Wicky, Kalmia angustifolia var. caroliniana |
| Widespread maiden fern; Southern shield fern; River fern; Southern maiden fern, Thelpteris kunthii; Thelypteris normalis |
| Wild oats, Uvularia sessilifolia |
| Wild oats; Northern sea oats, Chasmanthium latifolium |
| Wild olive; Devilwood, Osmanthus americanus |
| William Falconer water lily, Nymphaea 'William Falconer' |
| William Lobb rose, Rosa 'William Lobb' |
| Willow, Basket; Purpleosier, Salix purpurea |
| Willow, Black, Salix nigra |
| Willow, Corkscrew, Salix matsudana var. tortuosa |
| Willow, Hankow, Salix matsudana 'Scarlet Curles' |
| Willow, Japanese fantail, Salix sachhalinensis 'Sekka' = Salix udensis 'Skekka' |
| Willow, Nishiki; Japanese dappled willow, Salix integra 'Hakuro-nishiki' |
| Willow, Swamp, Salix caroliniana |
| Willow, Virginia, Itea virginica |
| Willow, Weeping, Salix babylonica |
| Willow, White, Salix alba var. sericea |
| Willowherb, Great; Fireweed, Epilobium angustifolium |
| Win-Win rose, Rosa 'WEKwinwin' |
| Winchester Cathedral rose, Rosa 'AUScat' |
| Winchester rose, Rosa 'AUScat' |
| Wind flower; Pasque flower; Meadow anemone, Anemone pulsatilla |
| Windflower, Anemone coronaria |
| Windflower; Wood anemone, Anemone quinquefolia; Thalictrum thalictrodes |
| Windflowers, Anemone coronaria |
| Windrush rose, Rosa 'AUSrush' |
| Winged everlasting, Ammobium alatum |
| Wingnut, Chinese, Pterocarya stenoptera |
| Wingstem, Actinomeris alternifolia |
| Winter hazel, Spike, Corylopsis spicata |
| Winter hazel, Willmott, Corylopsis willmottiae |
| Winter savory, Satureja montana |
| Winterberry, Ilex verticillata |
| Winterberry, Ilex verticillata x I. serrata hybrids |
| Winterberry; Black alder, Ilex verticillata |
| Wintercreeper, Common, Euonymus fortunei var. radicans |
| Wintercreeper, Common, Euonymus fortunei var. radicans |
| Wintercreeper, Euonymus, Euonymus fortunei var. radicans |
| Wintercreeper, Purpleleaf, Euonymus fortunei 'Colorata' = E. fortunei var. colorata |
| Wintergreen, Spotted; Striped wintergreen, Chimaphila maculata |
| Wintergreen, Spreading; Teaberry; Common wintergreen, Gaultheria procumbens |
| Winterhazel, Fragrant, Corylorsis glabrescens |
| Wintersweet, Fragrant, Chimonanthus praecox |
| Wishbone flower, Torenia fournieri |
| Wisteria, American, Wisteria fruitescens |
| Wisteria, Chinese, Wisteria sinensis |
| Wisteria, Japanese, Wisteria floribunda |
| Wisteria, Kentucky, Wisteria macrostachya |
| Wisteria, Silky, Wisteria venusta |
| Witch hazel, Chinese, Corylopsis sinensis |
| Witchhazel, Chinese, Hamamelis mollis |
| Witchhazel, Chinese, Hamamelis mollis |
| Witchhazel, Common, Hamamelis virginiana |
| Witchhazel, Hamamelis virginiana |
| Witchhazel, Hybrid, Hamamelis x intermedia |
| Witchhazel, Hybrid, Hamamelis x intermedia H. x media |
| Witchhazel, Ozark; Vernal witchhazel, Hamamelis vernalis |
| Witchhazel, Ozark; Vernal witchhazel, Hamamelis vernalis |
| Witchhazel, Southern, Hamamelis macrophylla |
| Witchhazel, Southern, Hamamelis macrophylla |
| Witchhazel, Vernal, Hamamelis vernalis |
| Witchhobble, Viburnum alnifolium |
| Witherod, Smooth, Viburnum nudum |
| Woadwaxen, Common; Dyer's greenwood, Genista tinctoria |
| Woadwaxen, Common; Dyer's greenwood, Genista tinctoria |
| Woadwaxen, Silkyleaf, Genista pilosa |
| Wood betony, Pedicularis canadensis |
| Wood sorrel; Wood shamrock, Oxalis spp. |
| Wood-sorrel, Oxalis (Tender species) |
| Wormwood, Artemisia absinthium |