| Cultivar | Group | Type | Hardy | Color | Bloom Time | |
|---|---|---|---|---|---|---|
| ‘PACE #5’ OP
aka:[Flame Azalea] | R. calendulaceum | dec | Zone 5-8 | Late | ||
| R. pachysanthum
aka:[R. venturi] | Species/Schannen | elp | -5 F | Early Midseason | ||
|
Padre | Glenn Dale | evg | |||
| ‘Paeonia obovata’ | Species | cmp | Zones 4-8 | Midseason | ||
|
Paeonia suffruticosa hybrids
(Chinese or Moutan Tree Peony) | Species | cmp | |||
|
‘Paint Rock’ | Species Selection | dec | |||
|
Painted Bride | Doppel | elp | -10° F | White | Early Midseason |
| Painted Lady
(Nani Wagata) | Kurume | evg | White,Pink | |||
|
‘Painted Lips’ | Holly Springs | evg | -5 F | Late Midseason | |
|
Painted Tips
(Seedling 79/49) | Back Acres | evg | |||
|
Paladin | Glenn Dale | evg | |||
|
‘Pam Corckran’ | Marshy Point | evg | Zone 7, at least | Orange,Pink,Red,Yellow | Midseason |
|
Panda | Cox | evg | |||
|
Papineau | Robin Hill | evg | Zone 7 | ||
|
Paprika | Glenn Dale | evg | |||
|
Parade | Glenn Dale | evg | Zone 7 | Red,Purple | Midseason |
|
Paradise | Glenn Dale | evg | |||
|
‘Parfait’ | Harris | evg | Zone 7-9 | Pink,White | |
|
‘Parker’s Pink’
(Parker’s #1) | Dexter | elp | -15° F | Pink-Dark,Red,White | Late Midseason |
|
Pastel | Glenn Dale | evg | |||
|
‘Pat Ryan’ | Aromi | dec | Zones 6-9 | Early Midseason | |
|
‘Patches’ | Satsuki | evg | 0°F | Pink,White | |
|
Patrick William | Bowie Mill | evg | At least -8F | ||
|
Patriot | Glenn Dale | evg | |||
|
‘Patsy Meadows’ | Stewart | evg | Zone 7 | Midseason | |
| Patsy's Sister | TBD | dec | ||||
|
‘Patsy's Pink’ | Smitherman | dec | |||
|
Patti Ann Hames | Hager | evg | -10 F | Early Midseason | |
|
‘Paul Beck’ | Stewart | evg | Zone 7, at least | Early Midseason | |
|
Paul Dee | Doppel | elp | -10° F | Purple,White | Midseason |
| Paula | Loblolly Bay | evg | Zone 6 | Late Midseason | ||
| Peace Maker | Cripple Creek | evg | Midseason | |||
|
Peach Fuzz | Linwood | evg | Salmon | Late Midseason | |
|
‘Pearce’s American Beauty’ | Pearce | elp | Hardy to -20°F/Z 5-7 | Green,Rose,Yellow | Very Late |
| Pearce’s Golden Jubilee | TBD | elp | ||||
|
Pearl Bradford | Glenn Dale | evg | Pink,Red | ||
|
Pearly Pink | McDonald | evg | At least 0 degrees F | Pink,Purple | Midseason |
|
Peerless | Glenn Dale | evg | |||
|
‘Peggy Cox’ | Stewart | evg | Zone 7, at least | Early Midseason | |
|
‘Peggy Vines’ | Holly Springs | evg | -5 F | Pink-Light,Red | Midseason |
| Penco | Pennington | evg | ||||
| Penelope | Unknown | evg | ||||
| ‘Pennington Pink Velvet’ | Pennington | evg | Midseason | |||
|
‘Pennington Purple’ | Pennington | evg | Hardy to -5 F/Zone 7 | Early | |
| ‘Pennington White’ | Pennington | evg | Zone 7 | Early Midseason | ||
|
‘Pennsylvania’ | Weston | dec | Very Late | ||
| ‘Peppermint’ | Dexter | evg | -5 F | Late Midseason | ||
|
Peppermint Twist | Thornton | elp | -15° F | Pink,White | |
|
Perfectly Pink | Greer | elp | -5° F | Maroon,Pink-Light,Red | Early |
|
‘Perfecto Mundo® Double Pink’ | Perfecto Mundo® | evg | 6b-9b | Spring & Fall | |
|
‘Perfecto Mundo® Double White’ | Perfecto Mundo® | evg | Spring & Fall | ||
|
‘Perfecto Mundo® Epic Coral’ | Perfecto Mundo® | evg | Spring & Fall | ||
|
‘Perfecto Mundo® Red’ | Perfecto Mundo® | evg | Spring & Fall | ||
|
R. periclymenoides
(Pinxterbloom Azalea, R. nudiflorum) | Species | dec | Pink,White | Midseason | |
| R. periclymenoides Flat Creek, Fuchsia, OP
aka:[Pinxterbloom Azalea] | Species | dec | Zones 4-7 | Midseason | ||
| R. periclymenoides (Purple) | Species Selection | dec | ||||
| Persimmon Sherbet | TBD | elp | ||||
|
‘Persuasion’ | Wallace | elp | |||
|
‘Pete Vines’ | Klimavicz | evg | |||
|
Peter Pan | Glenn Dale | evg | |||
|
Peter Pooker | Robin Hill | evg | Late Midseason | ||
|
‘Pete's Purple’ | Holly Springs | evg | -5 F | Late Midseason | |
| Petite Pink | Girard | evg | ||||
|
‘Phil Louer’ | Stewart | evg | Zone 7, at least | Purple,Red | Early Midseason |
|
Philip Dee | Doppel | elp | -10° F | Cream | |
|
Phipps 84 | Phipps | elp | Cream,White | ||
|
Phoebe | Glenn Dale | evg | PI 182874 | Early Midseason | |
|
Phyllis Jean | Bowie Mill | evg | Zone 7, at least | Late Midseason | |
|
‘Phyllis Korn’ | Korn | elp | |||
|
Picador | Glenn Dale | evg | |||
|
Picotee | Glenn Dale | evg | Zone 7, at least | Purple,Red,White | Midseason |
|
Pied Piper | Glenn Dale | evg | |||
|
‘Pierce Whiddon’ | Strickland | dec | USDA 6b: to -20.5 °C (-5 °F) approx. | Orange,Yellow | Early |
|
Pieris japonica Katsura
(Japanese Andromeda) | Unknown | cmp | |||
| Pieris japonica Prelude | Maid in the Shade | cmp | Zones 5-9 | Early Midseason | ||
|
Pieris Katsura | Shrub | cmp | |||
| Pieris Sarabande | Shrub | unk | ||||
| Pieris Whitewater | Shrub | cmp | Zones 5-7 | Very Early | ||
|
‘Pikeland’ | Herbert | lep | Early | ||
|
Pilgrim | Glenn Dale | evg | |||
|
Pilkington's Pride
(Cream on the Northerly Path) | Consolini | elp | Pink-Light,Yellow | Midseason | |
|
Pink and Sweet | Mezitt | dec | -20 F | Pink | Late |
| ‘Pink Butterball’ | Cowles | elp | ||||
| Pink Butterflies | Leonard | elp | Purple,Yellow,White | Late | ||
| ‘Pink Camellia’ | Carla | evg | 5°F | Pink-Light,Purple | ||
|
Pink Carousel | Aromi | dec | Orange,Red,Yellow | ||
|
Pink Cascade | Harris | evg | Pink,Yellow | ||
|
‘Pink Cheeks’ | Kohli | evg | |||
|
‘Pink Cloud’ | Greenwood | evg | 0 F | Purple,Red | Late Midseason |
|
‘Pink Clusters’ | R. kiusianum | evg | 6a | ||
|
‘Pink Diamond’ | Mezitt | lep | |||
| ‘Pink Discovery’ | Weston/Mezitt | evg | Zone 5 | |||
| Pink Elegance | Kehr | lep | Pink | |||
|
Pink Ember | Sommerville | evg | Zone 6-9 | ||
|
Pink Fancy | Greenwood | evg | Zone 7 | Pink,Purple | Midseason |
|
‘Pink Glee’ | Loblolly Bay | evg | Zone 6 | Midseason | |
|
‘Pink Haze’ | R. kiusianum | evg | |||
|
‘Pink Ice’ | Belgian GD | evg | 10F | Pink | |
| Pink Ice red sport NOT | Belgian GD | evg | ||||
|
Pink Jewel | Kurume | evg | Pink,Purple | ||
| Cultivar | Group | Type | Hardy | Color | Bloom Time |