| Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Chief Crazy Horse' | Giant | Blue/Green | - | - | Unknown | - | - | Wade, Van | --NR-- |
| 'Crazier' | - | Dark-Green | Streaked | Yellow | Unknown | - | - | Herold, Roy | --NR-- |
| 'Craziest' | - | Dark-Green | Streaked | Yellow | Unknown | - | - | Herold, Roy | --NR-- |
| 'Crazy' | - | Dark-Green | Streaked | Yellow | Unknown | - | - | Herold, Roy | --NR-- |
| 'Crazy Daisy' | Large | Dark-Green | Medial | Yellow | Unknown | - | - | Goodwin, Randy | --NR-- |
| 'Crazy for You' | Large | Light-Green | Marginal | Yellow | Unknown | Pale-Lavender | June | Ward, Dr Dick & Jane | .2009 |
| 'Crazy Hazy' | Medium | Blue/Green | Marginal | Yellow | Nat-Sport | Med-Lavender | - | Fransen, Marco & Joyce | --NR-- |
| 'Crazy Horse' | Small | Yellow | Marginal | Yellow | Unknown | - | - | Unknown | --NR-- |
| 'Crazy Mouse' | Small | Blue/Green | - | | Hybrid | | | Avent, Tony | --NR-- |
| 'Crazy Mouse Ears' | Small | Blue/Green | Medial | White | Nat-Sport | Light-Purple | July | Schwarz, Jim | --NR-- |
| 'Crazy Quilt' | Medium | Blue/Green | Streaked | White | Unknown | Near-White | July | Lachman, Wm & Eleanor | --NR-- |
| 'Crazy Spirit' | Medium | Med-Green | Streaked | Yellow | Nat-Sport | Pale-Lavender | August | Van Eechaute, Danny | --NR-- |
| 'Going Crazy' | Small | Med-Green | Marginal | Yellow | Unknown | - | - | Unknown | --NR-- |
| 'Hanja's Crazy Mouse' | Small | Blue/Green | Streaked | Yellow | Nat-Sport | Light-Purple | July | Hansen, Jan Hurup | --NR-- |
| 'Plum Crazy' | | | | | Unknown | | | Unknown | --NR-- |
| 'Valley's Crazy Diamonds' | Medium | Med-Green | Streaked | Yellow | Hybrid | Pale-Lavender | August to September | Linneman, Jeroen | .2015 |
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