| Cultivar Name | Plant Size | Origin | Flower Color | Season | Source | Registered |
| 'Walking on Sunshine' (Scheer) | Large | Hybrid | - | - | Scheer, Alttara | --NR-- |
| 'Wasabi' | Miniature | Unknown | Pale-Lavender | July | Nixon, Bill | .2006 |
| 'Wassup' | Large | Hybrid | Pale-Lavender | July into August | Crockett, Clyde | .2000 |
| 'Waukon Golden Pond' | Medium | Unknown | Med-Lavender | July into August | Axmear, Bob | --NR-- |
| 'Waxwing' | Small | Unknown | - | - | Van Ostrand, John | --NR-- |
| 'Wee One' | Medium | Unknown | Light-Purple | - | Livingston, Ron | --NR-- |
| 'Wetol' | Small | Unknown | - | - | Banyai, Bruce | --NR-- |
| 'Whiskey Sour' | Medium | Hybrid | Pale-Lavender | August | Solberg, Robert | .2002 |
| 'White Gold' | Large | Unknown | Pale-Lavender | July | Unknown | --NR-- |
| 'White Trouble' | Small | Sport | - | - | Schmid, W. George | --NR-- |
| 'White Trumpets' | Medium | Unknown | Near-White | July into August | Hensen, Karel & Williams, Frances | .1983 |
| 'Wild Strawberries' | Small | Unknown | - | - | Malloy, Alex | --NR-- |
| 'Willamette' | Large | Hybrid | Pure-White | August | Tompkins, Chet & Ruh, Peter | .2003 |
| 'William Henry Harrison' | Large | Unknown | - | - | Ruh, Peter & Ruh, Jean | .2010 |
| 'Wonderful' | Miniature | Hybrid | - | - | Goodwin, Randy | .2005 |
| 'Woodland Lime' | Large | Unknown | - | June into July | Gilligan, Madelon | .2011 |
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