| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Paisley Parfait' | Large | Dark-Green | Streaked | Yellow | Unknown | - | - | Terpening, Kent | --NR-- |
| 'PAL's Plymouth Rock' | Medium | Light-Green | | - | Nat-Sport | Near-White | June into July | Lehtola, Paula | .2008 |
| 'Paradise Surprise' | Large | Blue/Green | Streaked | Yellow | Nat-Sport | Near-White | June into July | Fransen, Marco & Philips, Hugo | --NR-- |
| 'Pastel Fringe' | Large | Med-Green | | - | Unknown | - | - | Unknown | --NR-- |
| 'Peacock' | Medium | Dark-Green | Streaked | White | Unknown | Light-Purple | June into August | Elslager, Ed | .2005 |
| 'Pebble Beach' | Medium | Blue/Green | | - | Unknown | Near-White | - | Woodroffe, Fleeta Brownell | .1972 |
| 'Pebble Creek' | Large | Light-Green | | - | Hybrid | Med-Lavender | June into July | Beilstein, Doug & Mardy | .2013 |
| 'Pebbled Jade' | Large | Dark-Green | | - | Unknown | - | - | Goodenough, Rick | --NR-- |
| 'Peek-A-Boo' | Large | Blue/Green | | - | Hybrid | Near-White | June into July | Aden, Paul | .1976 |
| 'Pewter Goblet' | Large | Dark-Green | | - | Unknown | - | July into August | Coffman, Lori | .2016 |
| 'Pewter Platter' | Large | Blue/Green | | - | Hybrid | - | June into July | Kedl, Phyllis | .2010 |
| 'Phyllis' | Large | Yellow | | - | Hybrid | Pale-Lavender | June into July | Dean, Don & Weidman, Jim | .2015 |
| 'Piano Man' | Large | Blue/Green | | - | Unknown | - | - | Purvis, Owen & Sue | --NR-- |
| 'Piedmont Green' | Medium | Blue/Green | | - | Unknown | - | - | Payne, Henry | --NR-- |
| 'Pin-up Girl' | Large | Med-Green | Marginal | Yellow | Nat-Sport | Pale-Lavender | June into July | Beilstein, Doug & Mardy | --NR-- |
| 'Pluto' | Large | Blue/Green | | - | Hybrid | Pale-Lavender | June into July | Hackbarth, Robert | .2015 |
| 'Popcorn' | Medium | Dark-Green | Medial | White | Unknown | Near-White | July | Schmid, Tom | .1999 |
| 'Powder Blue' | Giant | Blue/Green | | - | Unknown | Pale-Lavender | June | Sugita, Hajime & Ruh, Peter | .1998 |
| 'Primal Instinct' | Large | Blue/Green | Marginal | White | Nat-Sport | Med-Lavender | June into July | Asch, Stuart | .2009 |
| 'Princess Diana' | Medium | Blue/Green | Medial | Yellow | Nat-Sport | Near-White | June into July | Trucks, Gary | .1997 |
| 'Princess Kendra' | Medium | Yellow | | - | Hybrid | Near-White | July into August | Stygall, Patsy | .2007 |
| 'Principal's List' | Large | Blue/Green | Streaked | White | Hybrid | - | July into August | Asch, Stuart | .2003 |
| 'Pucker Up' | Medium | Light-Green | | - | Unknown | - | June into July | Kedl, Phyllis | .2010 |
| 'Puckered Giant' | Large | Blue/Green | | - | Hybrid | Near-White | June into July | Powell, Loleta | .1983 |
| 'Purple Flush' | Medium | Blue/Green | | - | Hybrid | Med-Lavender | June into July | Zilis, Mark | .2010 |
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