| Latin Name | Common Name | Habit | Height | Hardiness | Growth | Soil | Shade | Moisture | Edible | Medicinal | Other |
| Juglans cinerea | Butternut - White Walnut, Butternut | Tree | 25.0 |
3-7
| M | LMH | N | M | 3 | 3 | 3 |
| Waldsteinia fragarioides | Appalachian barren strawberry | Perennial | 0.2 |
4-7
| F | LMH | FSN | DM | 0 | 2 | 3 |
| Waldsteinia ternata | Barren Strawberry | Perennial | 0.2 |
4-8
| F | LMH | SN | M | 0 | 0 | 3 |
| Warburgia salutaris | Pepperbark Tree | Tree | 8.0 |
10-12
| S | LM | N | M | 2 | 4 | 3 |
| Wasabia japonica | Japanese Horseradish, Wasabi | Perennial | 0.3 |
7-10
| | LMH | SN | WeWa | 4 | 1 | |
| Washingtonia filifera | Desert Fan Palm, California fan palm, California Washingtonia Palm, Petticoat Palm, Desert Fan Pal | Tree | 12.0 |
9-11
| M | LMH | N | DM | 2 | 0 | 2 |
| Weigela coraeensis | | Shrub | 5.0 |
5-9
| | LMH | SN | M | 1 | 0 | |
| Weigela decora | | Shrub | 5.0 |
5-9
| | LMH | SN | M | 1 | 0 | |
| Weigela floribunda | Crimson weigela | Shrub | 2.5 |
5-9
| | LMH | SN | M | 1 | 0 | |
| Weigela florida | Oldfashioned weigela, Rose Weigela, Old Fashioned Weigela | Shrub | 3.0 |
4-8
| M | LMH | SN | M | 0 | 0 | 3 |
| Weigela hortensis | | Shrub | 5.0 |
6-9
| | LMH | SN | M | 1 | 0 | |
| Weigela japonica | | Shrub | 5.0 |
5-9
| | LMH | SN | M | 0 | 1 | 2 |
| Weinmannia racemosa | Kamahi | Tree | 25.0 |
8-11
| | LM | SN | M | 2 | 0 | 3 |
| Wikstroemia japonica | | Shrub | 0.0 |
-
| | LMH | SN | M | 0 | 0 | 1 |
| Wikstroemia sikokiana | | Shrub | 2.0 |
8-11
| | LMH | SN | M | 0 | 0 | 1 |
| Willughbeia coriacea | Heaven fruit, Borneo rubber, Akar gerit-gerit besi | Climber | 30.0 |
10-12
| F | LMH | SN | MWe | 2 | 1 | 3 |
| Willughbeia edulis | Gedraphol, Kuy | Climber | 25.0 |
10-12
| F | LMH | SN | M | 3 | 2 | 2 |
| Wissadula periplocifolia | White velvetleaf | Perennial | 1.0 |
10-12
| F | LMH | N | DM | 0 | 0 | 3 |
| Wisteria floribunda | Japanese Wisteria | Climber | 8.0 |
5-9
| M | LMH | N | M | 2 | 0 | 2 |
| Wisteria frutescens | American Wisteria | Climber | 12.0 |
4-8
| | LMH | N | M | 1 | 0 | 3 |
| Wisteria japonica | | Climber | 0.0 |
7-10
| | LMH | N | M | 1 | 0 | |
| Wisteria sinensis | Chinese Wisteria | Climber | 25.0 |
5-9
| M | LMH | N | M | 1 | 1 | 3 |
| Wisteria venusta | Silky Wisteria | Climber | 10.0 |
4-8
| | LMH | N | M | 1 | 2 | 1 |
| Wisteria villosa | | Climber | 0.0 |
-
| | LMH | N | M | 1 | 0 | |
| Withania somnifera | Ashwagandha - Indian Ginseng, Withania | Shrub | 1.0 |
10-12
| | LMH | N | M | 1 | 4 | 2 |
| Wittsteinia vacciniacea | Baw-Baw Berry | Shrub | 0.3 |
-
| | LMH | SN | M | 1 | 0 | |
| Wolffia arrhiza | Least Duckweed, Spotless watermeal | Perennial | 0.0 |
6-9
| | LMH | N | Wa | 4 | 0 | |
| Wolffia globosa | Khai Nam | Perennial | 0.0 |
10-12
| F | | N | WeWa | 4 | 0 | 0 |
| Woodfordia fruticosa | Fire-flame bush | Shrub | 5.0 |
10-12
| M | LMH | N | M | 2 | 2 | 4 |
| Woodwardia areolata | Netted chain fern | Fern | 0.3 |
4-9
| M | LMH | S | MWe | 0 | 0 | 3 |
| Woodwardia radicans | Chain Fern, Rooting chainfern | Fern | 1.8 |
8-11
| | LMH | S | MWe | 0 | 1 | 2 |
| Woodwardia virginica | Virginia Chain Fern | Fern | 0.4 |
3-10
| M | LMH | S | MWe | 0 | 0 | 3 |
| Wyethia amplexicaulis | Mulesears Wyethia, Mule-ears | Perennial | 0.8 |
4-8
| | LM | N | M | 3 | 1 | |
| Wyethia angustifolia | California Compass Plant | Perennial | 1.0 |
8-11
| | LM | N | M | 2 | 1 | 1 |
| Wyethia helianthoides | Sunflower Wyethia, Sunflower mule-ears | Perennial | 0.0 |
0-0
| | LM | N | M | 3 | 0 | |
| Wyethia longicaulis | Humboldt Mulesears | Perennial | 0.5 |
-
| | LM | N | M | 3 | 1 | |
| Wyethia mollis | Woolly Wyethia, Woolly mule-ears | Perennial | 1.0 |
7-10
| | LM | N | M | 4 | 1 | |
| Wyethia robusta | | Perennial | 0.6 |
-
| | LM | N | M | 1 | 0 | |