| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Painted Desert' | Large | Blue/Green | Streaked | White | Unknown | - | - | Moore, Jeff | --NR-- |
| 'Paradise Island' | Medium | Light-Green | Marginal | Blue-Green | Sport | Pale-Lavender | August | Fransen, Marco | --NR-- |
| 'Paradise Red Delight' | Medium | Med-Green | - | - | Hybrid | - | - | Fransen, Marco | --NR-- |
| 'Patriot Colors' | Small | Blue/Green | - | - | Unknown | - | August to September | Malloy, Alex | .2005 |
| 'Peach Brandy' | Small | Yellow | | | Unknown | | | Solberg, Robert | --NR-- |
| 'Peach Salsa' | Medium | Light-Green | - | - | Hybrid | Light-Purple | July | Solberg, Robert | .2013 |
| 'Pebble Creek Aberdeen Mountain' | Medium | Blue/Green | - | - | Hybrid | Pale-Lavender | August | Kovalcsik, Joanna | --NR-- |
| 'Pebble Creek Nightscape' | Medium | Dark-Green | | - | Hybrid | Med-Lavender | August to September | Kovalcsik, Joanna | .2020 |
| 'Peek-a-boo Purple' | Medium | Med-Green | | - | Hybrid | Med-Lavender | July into August | Dean, Don | .2011 |
| 'Persian Red' | Medium | Med-Green | - | - | Hybrid | Deep-Purple | July into August | Ragus, Gerhard & Ragus, Renate | .2016 |
| 'Piccadilly Circus' | Medium | Dark-Green | - | - | Unknown | - | August to September | Ruh, Peter & Ruh, Jean | .2005 |
| 'Pieces of Eight' | Small | Yellow | - | - | Hybrid | - | - | Stegeman, Bev & Stegeman, Dave | --NR-- |
| 'Pinani Island Surf' | Small | Yellow | Marginal | White | Unknown | - | - | Pinder, Jeff | --NR-- |
| 'Pink Flamingo' | Large | Yellow | - | - | Unknown | - | - | Livingston, Ron | --NR-- |
| 'Pink Panther' | Medium | Med-Green | Streaked | White | Sport | Light-Purple | July | Malloy, Alex | .1998 |
| 'Plum Crazy' | | - | | - | Unknown | - | - | Unknown | --NR-- |
| 'Plum Creek' | Medium | Blue/Green | Medial | Yellow | Hybrid | Near-White | June | Sisson, Kathie | --NR-- |
| 'Plum Nutty' | Medium | Med-Green | - | - | Hybrid | Pale-Lavender | July into August | Solberg, Robert | .2011 |
| 'Plum Pudding' | Medium | Dark-Green | - | - | Hybrid | Light-Purple | August to September | Solberg, Robert | .2011 |
| 'Plum Saucy' | Small | Blue/Green | - | - | Hybrid | Med-Lavender | June | Gilligan, Madelon & Goodenough, Rick | .2018 |
| 'Point Judith Light' | Medium | Dark-Green | - | - | Hybrid | - | - | Goodenough, Rick | --NR-- |
| 'Polish Prince' | Medium | Med-Green | Marginal | White | Sport | Light-Purple | July into August | Hartmann, Jim | .2012 |
| 'Pollock's Splatter' | - | - | Streaked | - | Unknown | - | - | Unknown | --NR-- |
| 'Pondering Parsippany' | Large | Med-Green | - | - | Hybrid | - | - | Moore, Jeff | --NR-- |
| 'Potomac River' | Large | Light-Green | - | - | Sport | Light-Purple | July | Van Eechaute, Danny | --NR-- |
| 'Praying Hands' | Medium | Med-Green | Marginal | Yellow | Unknown | Pale-Lavender | - | Williams, Gerald | .1996 |
| 'Preconceived' | Large | Blue/Green | - | - | Hybrid | - | - | Livingston, Ron | --NR-- |
| 'Proud Sentry' | Medium | Dark-Green | Marginal | White | Hybrid | Pale-Lavender | August to September | Dean, Don | .2008 |
| 'Proud Treasure' | Large | Dark-Green | Marginal | Yellow | Sport | Light-Purple | September to October | Van den Top, Jan | --NR-- |
| 'Purple Boots' | Medium | Light-Green | - | - | Hybrid | Pale-Lavender | July into August | Van Eechaute, Danny | .2004 |
| 'Purple Glory' | Small | Med-Green | - | - | Unknown | - | - | Fransen, Marco | --NR-- |
| 'Purple Haze' | Large | Blue/Green | - | - | Unknown | - | - | Janssen, Bill | --NR-- |
| 'Purple Heart' | Medium | Med-Green | - | - | Unknown | Light-Purple | July into August | Gossett, Gary & Terra Nova Nurseries | --NR-- |
| 'Purple Heron' | Medium | Med-Green | - | - | Hybrid | Light-Purple | August to September | Philips, Hugo | .2010 |
| 'Purple Prince' | Medium | Med-Green | - | - | Unknown | - | - | Banyai, Pauline | --NR-- |
| 'Purple Python' | Small | Med-Green | - | - | Unknown | - | - | Unknown | --NR-- |
| 'Purple Rain' | Medium | Blue/Green | - | - | Hybrid | - | - | Wasitis, Chick | .2008 |
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