| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Pieces of Eight' | Small | Yellow | - | - | Hybrid | - | - | Stegeman, Bev & Dave | --NR-- |
| 'Piedmont's Gold Miniature' | Miniature | Yellow | - | - | Unknown | Light-Purple | July | Stone, David & Payne, Henry | --NR-- |
| 'Piper Cub' | Small | Yellow | - | - | Hybrid | Pale-Lavender | July into August | Cross, Peter | .2002 |
| 'Praying Hands' | Medium | Med-Green | Marginal | Yellow | Unknown | Pale-Lavender | - | Williams, Gerald | .1996 |
| 'Pretty Posey' | Small | Light-Green | - | - | Unknown | Light-Purple | August | Benedict, Dr R. (Herb) & Krul, Nancy | --NR-- |
| 'Purbeck Ridge' | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | July into August | Smith, Eric & BHHS | .1988 |
| 'Purple Perfection' | Medium | Blue/Green | - | - | Hybrid | Pale-Lavender | July | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
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