| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Palatina Full Monty' | - | - | - | - | Unknown | - | - | Kirschenlohr, Andreas | --NR-- |
| 'Pamela Ann' | Small | Yellow | - | - | Unknown | - | - | Bentley Gardens | --NR-- |
| 'Pamela Lee' | Medium | Blue/Green | Streaked | Green | Sport | Pale-Lavender | June into July | O'Brien, John | .2007 |
| 'Pandora's Box' | Miniature | Dark-Green | Medial | White | Sport | Light-Purple | July | Hansen, Hans & Shady Oaks Nursery | .1996 |
| 'Papa' | Large | Blue/Green | Medial | Yellow | Sport | Near-White | June into July | Anderson, Jim | --NR-- |
| 'Paradise Joyce' | Medium | Blue/Green | Medial | Yellow | Sport | Pale-Lavender | July into August | Fransen, Marco | --NR-- |
| 'Patricia' | Medium | Blue/Green | Marginal | Chartreuse | Sport | Pale-Lavender | July | Heemskerk, Gerardus | .2005 |
| 'Patricia the Stripper' | Large | Blue/Green | Medial | Green | Sport | Pale-Lavender | July into August | Budd Gardens | --NR-- |
| 'Patsy' | Medium | Dark-Green | | - | Hybrid | Pale-Lavender | September | Husemann, Jim | .2020 |
| 'Paula's Pick' | Small | Med-Green | - | - | Unknown | - | - | Goodenough, Rick | --NR-- |
| 'Pauley' | - | - | - | - | Duplicate | - | - | Duplicate Name | --NR-- |
| 'Pauline' | Small | Med-Green | - | - | Unknown | Med-Lavender | August to October | Stone, David & Ruh, Peter | .1987 |
| 'Paul's Glory' | Large | Yellow | Marginal | Blue-Green | Sport | Pale-Lavender | July into August | Hofer, Paul & Hofer, Linda & Ruh, Peter | .1987 |
| 'Paulus' | Large | Blue/Green | | - | Unknown | Light-Purple | July into August | Ragus, Gerhard & Ragus, Renate | .2020 |
| 'Peanut' | Miniature | Med-Green | Medial | White | Unknown | Light-Purple | July into August | Schwarz, Jim | .2002 |
| 'Pebbles' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Wade, Van | .2007 |
| 'Peggy' | Small | Med-Green | Medial | White | Unknown | - | - | Benedict, Dr Ralph (Herb) | --NR-- |
| 'Peggy Sue' | Large | Dark-Green | Streaked | Yellow | Hybrid | - | - | Wasitis, Chick | --NR-- |
| 'Penny MacBlue' | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | June | Unknown | --NR-- |
| 'Percy' | Medium | Med-Green | Marginal | Creamy White | Hybrid | - | July into August | Benedict, Dr Ralph (Herb) | --NR-- |
| 'Perry's True Blue' | Large | Blue/Green | - | - | Hybrid | Near-White | June | Grullemans, John J. & Hofer, Paul & Hofer, Linda & Ruh, Peter | .1981 |
| 'Peter The Rock' | Large | Light-Green | - | - | Hybrid | Pure-White | June | Simpers, Lucille & Ruh, Peter | .1991 |
| 'Pete's Color Cocktail' | Medium | Dark-Green | Streaked | White | Unknown | - | - | de Rooij, Piet | --NR-- |
| 'Pete's Dark Satellite' | Large | Dark-Green | - | - | Hybrid | Med-Lavender | - | de Rooij, Piet | --NR-- |
| 'Pete's Design' | Giant | Blue/Green | Streaked | White | Hybrid | Pale-Lavender | June into July | de Rooij, Piet | .2015 |
| 'Pete's Jerno' | Medium | Blue/Green | Streaked | White | Unknown | - | - | de Rooij, Piet | --NR-- |
| 'Pete's Multi Color' | Large | Dark-Green | Streaked | Yellow | Hybrid | Pale-Lavender | June into July | de Rooij, Piet | .2014 |
| 'Pete's Mystery' | Medium | Med-Green | Medial | Yellow | Hybrid | Pale-Lavender | June into July | de Rooij, Piet | .2013 |
| 'Pete's Passion' | Large | Yellow | Marginal | Dark Green | Sport | Pale-Lavender | July into August | Ruh, Peter | .1997 |
| 'Pete's Slon-he' | Miniature | Med-Green | - | - | Hybrid | Pale-Lavender | July into August | de Rooij, Piet | .2015 |
| 'Peyton Augusta' | Small | Med-Green | - | - | Hybrid | Light-Purple | July into August | Kwick, Charles | .2018 |
| 'Phyllis' | Large | Yellow | - | - | Hybrid | Pale-Lavender | June into July | Dean, Don & Weidman, Jim | .2015 |
| 'Pierre' | Medium | Med-Green | Marginal | White | Unknown | Light-Purple | August | Klinkhamer, Luc | --NR-- |
| 'Pitty Pat' | Medium | Light-Green | - | - | Unknown | Light-Purple | July into August | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
| 'Plain Jane' | Medium | Yellow | - | - | Hybrid | Pure-White | June into July | Benedict, Dr Ralph (Herb) & Wade, Van | .2007 |
| 'Plain Jane in a Frilly Skirt' | Large | Med-Green | - | - | Hybrid | Near-White | June into July | Kwick, Charles | .2017 |
| 'Plain Jane in an A-Line Skirt' | Large | Med-Green | - | - | Hybrid | Med-Lavender | July into August | Kwick, Charles | .2017 |
| 'Play it Again, Sam' | Medium | Med-Green | Streaked | White | Hybrid | - | August to September | Beilstein, Doug & Zilis, Mark | .2010 |
| 'Play Misty for Me' | - | - | - | - | Unknown | - | - | Unknown | --NR-- |
| 'Plumb Bob' | Medium | Med-Green | - | - | Unknown | Light-Purple | August | O'Harra, Russ | --NR-- |
| 'Pocohontas' | Medium | Med-Green | Marginal | Yellow | Sport | Pale-Lavender | July into August | Wade, Van | --NR-- |
| 'Point Judith Light' | Medium | Dark-Green | - | - | Hybrid | - | - | Goodenough, Rick | --NR-- |
| 'Polly Mae' | Small | Med-Green | - | - | Hybrid | Near-White | July | Savory, Robert | .1982 |
| 'Polyanna' | Large | Blue/Green | - | - | Unknown | Light-Purple | August | Banyai, Pauline | .1983 |
| 'Popo' | Small | Med-Green | - | - | Unknown | Pale-Lavender | June into July | O'Harra, Russ & Riehl, Frank | .1993 |
| 'Powered by Bob' | Medium | Med-Green | Streaked | Yellow | Sport | - | - | Trucks, Gary | --NR-- |
| 'Pretty Kitty' | Medium | Dark-Green | Marginal | Yellow | Sport | Pale-Lavender | July into August | Elslager, Ed | .1999 |
| 'Pretty Patty' | - | - | - | - | Unknown | - | - | Unknown | --NR-- |
| 'Prima Donna' | Large | Med-Green | Marginal | Yellow | Sport | Pale-Lavender | July into August | Wilkins, Dr Jim & Wilkins, Jill | .1995 |
| 'Prime Mark' | - | Blue/Green | Medial | White | Unknown | - | - | Van Eechaute, Danny | --NR-- |
| 'Prince Albert' | Large | Med-Green | - | - | Unknown | - | - | Minks, Eldren | --NR-- |
| 'Prince Henry' | Medium | Dark-Green | Marginal | White | Unknown | Pale-Lavender | June into July | Goodwin, Randy | .2019 |
| 'Prince Michael' | Medium | Light-Green | - | - | Hybrid | Med-Lavender | August to October | Zolock, Steve & Zolock, Sarah | .2003 |
| 'Prince Peter' | Medium | Dark-Green | Medial | White | Unknown | Med-Lavender | July | Nash, Bill | --NR-- |
| 'Princess Amalia' | Large | Med-Green | Medial | White | Unknown | - | - | Van den Top, Jan | --NR-- |
| 'Princess Anastasia' | Medium | Yellow | Marginal | Blue-Green | Sport | Near-White | June | Trucks, Gary | .1998 |
| 'Princess Hannah' | Small | Light-Green | - | - | Hybrid | Pale-Lavender | August to October | Zolock, Steve & Zolock, Sarah | .2003 |
| 'Princess Kendra' | Medium | Yellow | - | - | Hybrid | Near-White | July into August | Stygall, Patsy | .2007 |
| 'Princess Leia' | | | | | Nat-Sport | | | Balitewicz, Bob | --NR-- |
| 'Princess Marigold' | - | - | - | - | Unknown | - | - | Tompkins, Chet | --NR-- |
| 'Princess Pat' | Large | Dark-Green | Marginal | White | Hybrid | Near-White | July into August | Stygall, Patsy | .2007 |
| 'Priscilla' | Medium | Light-Green | Marginal | White | Sport | Light-Purple | July into August | Pratt, Mary | --NR-- |
| 'Puck' | Small | Med-Green | - | - | TC Sport | Pale-Lavender | June | Zilis, Mark | .2003 |
| 'Punky' | Medium | Yellow | Marginal | Greenish White | Sport | Pale-Lavender | July into August | Kuk, Bob | .1999 |
| 'Purple Ben' | Large | Med-Green | - | - | Unknown | Light-Purple | July | Unknown | --NR-- |
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