Unsupported cultivar names
In the following list, cultivar names have been recorded without attribution or description and additional information is unavailable at the time of going to print.
History or knowledge of these cultivars should be sent to the Registrar for inclusion in the Addendum.
- W
- ‘W.McKane’
- ‘W.P. Wright’
- ‘W.R. Kirsch’
- ‘W.R. Morris’
- ‘Walnut Scented’
- ‘Walter Dietzmann’
- ‘Walter Scott’
- ‘Waltham Gem’
- ‘Waltham Lilac’
- ‘Waltham Nosegay’
- ‘Waltzing Matilda’
- ‘Wamgaleg’
- ‘Warrane’
- ‘Warren Bishop’
- ‘Warren Kellog’
- ‘Warwick’
- ‘Washington Improved’
- ‘Watsonville’
- ‘Wee One’
- ‘Weiszie Perle’
- ‘Welcome Stranger’
- ‘Welpark Beauty’
- ‘Western Rose Seedling’
- ‘Westfalen Feuer’
- ‘Wharton L.E.’
- ‘White City’
- ‘White Edged Joyce’
- ‘White Fairy’
- ‘White Feather’
- ‘White Gardener’s Joy’
- ‘White Grosser Garten’
- ‘White King of Denmark’
- ‘White Madonna’
- ‘White Nasturtium’
- ‘White Nosegay’
- ‘White Orbit’
- ‘White Putunia’
- ‘White Sands’
- ‘White Sentinel’
- ‘White Slam’
- ‘Widow’
- ‘Will if I can’
- ‘William Battson’
- ‘William Cromwell’
- ‘William Ewing’
- ‘William Lines’
- ‘William the Conqueror’
- ‘William von Wurtemburg’
- ‘Willie’
- ‘Wilsh Alba’