Index of plants: Garden plants and flowers - W
Plants are organised by their common names in the flowers W table. The scientific name is also given.
| Wake robin - Trillium | Wall Cress - Arabis | |
| Wall pepper - Sedum | How to grow Wallflowers | |
| Wand flower - Dierama | Wandflower - Sparaxis | |
| Wandering jew - Tradescantia | Waterlily - Nelumbo | |
| Wax Pink - Portulaca | Welsh poppy - Meconopis | |
| White dutch runner bean - Phaseolus | White hellebore - Veratrum | |
| White lace flower - Ammi | White Snakeroot - Eupatorium | |
| Whitecup - Nierembergia | Whitlow grass - Draba | |
| Wild Artichoke - Cynara | Wild ginger - Asarum | |
| Wild heliotrope - Phacelia | Wild hyacinth - Camassia | |
| Wild Indigo - Baptisia | Wild lantana - Abronia | |
| Wild Oat | Wild Onion - Allium | |
| Wild pansy - Viola tricolor | Wild Petunia - Ruellia | |
| Wild Pink - Silene | Wild Senna - Cassia | |
| Willow herb - Epilobium | Wind flower - Anemone | |
| Winged everlasting - Ammobium | Winter aconite - Eranthis | |
| Winter cherry - Cardiospermum | Winter cherry - Physalis | |
| Winter daffoldil - Sternbergia | Winter Savory - Satureja | |
| Wishbone flower - Torenia | Woad - Isatis | |
| Wolfsbane - Aconitum | Wood Daffoldil - Uvularia | |
| Wood Spurge - Euphorbia | Woodruff - Asperula | |
| Woods poppy - Sanguinaria | Worm grass - Sedum | |
| Wormwood - Artemisia | Woundwort - Stachys | |
Index of garden plants and flowers: Y
| Yang-tao - Actinidia | Yarrow - Archillea | |
| Yellow ageratum - Lonas | Yellow archangel - lamium | |
| Yellow autumn crocus - Sternbergia | Yellow bristle grass - Setaria | |
| Yellow rock jasmine - Douglasia | yellow sage - Lantana | |
| Yellow star - Helenium | Yellow waxbells - kirengeshoma | |
| Youth and old age - Zinnia | Yucca |