| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Waterworks' | Small | Med-Green | Streaked | White | Hybrid | Light-Purple | July | Malloy, Alex | .2003 |
| 'Weihenstephan' | Small | Med-Green | - | - | Hybrid | Pure-White | August | Müssel, Hermann, Klose, Heinz & Ruh, Peter | .2003 |
| 'Weser' | Medium | Blue/Green | - | - | Unknown | Med-Lavender | August to September | Klose, Heinz & Ruh, Peter & Jean | .2003 |
| 'Whirling Dervish' | Large | Med-Green | Marginal | Creamy White | TC Sport | Pale-Lavender | July into August | Zilis, Mark | .2003 |
| 'Will of Fortune' | Medium | Blue/Green | - | - | Hybrid | Near-White | July | Livingston, Ron | .2003 |
| 'Willamette' | Large | Light-Green | - | - | Hybrid | Pure-White | August | Tompkins, Chet & Ruh, Peter | .2003 |
| 'Winfield Mist' | Medium | Blue/Green | Medial | Speckles | TC Sport | Pale-Lavender | July into August | Zilis, Mark | .2003 |
| 'Winter Snow' | Giant | Light-Green | Marginal | White | TC Sport | Pale-Lavender | July | Anderson, Jim | .2003 |
| 'Woolly Mammoth' | Giant | Blue/Green | Medial | Yellow | TC Sport | Near-White | June | Zilis, Mark | .2003 |
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