The following names have already been used within the genus and therefore cannot be re-used. This list is not in strict alphabetical order but is sorted including spaces, full stops etc. in row order. To look at other names click on the appropriate first letter.
| Walter Ingwersen | Waquoit | Waquoit Brightness | Waquoit Edna |
| Waquoit Gwen | Waquoit Red | Waquoit Wild | Warren's Gold |
| Waterfall | Weeno | Weinroter Oktober | Weiss |
| Weiss aufrechte Knospenblüher | Weiss dunkles Laub | Weisse Dreinullzwei | Weisse Kircher |
| Weisse Marleen | Weisser Knospenblüher | Wendy Bamford | Wentworth Crimson |
| Westacre Lime | Westerlee Gold | Westerlee Green | Westerlee Yellow |
| Westerlin | Westphalia | Whinfell | Whinfell White |
| White Angie | White Beauty | White Bell | White Bouquet |
| White Bud | White Carpet | White Coral | White Crown |
| White Elegantissima | White Gold | White Gown | White Knight |
| White Lawn | White Lion | White Lown | White Mite |
| White Pearl | White Princess | White Queen | White Scott |
| White Star | White-beauty | Whiteness | Wicklow Spring |
| Wickwar Flame | Wiesmoor Red | Will Ingwesen | Wilma |
| Wine Red | Wingates Gem | Wingates Gold | Wingates Lime |
| Winnie Hughes | Winsley | Winter Chocolate | Winter Fantasy |
| Winter Fire | Winter Orange | Winter Red | Winter Sport |
| Winter Sun | Wohlmann weiss 2 | Wollmer's Weisse | Wood Close |
| Woodcock |
© The Heather Society, 22 December 2009