| Pineapple Lily (many) |
Eucomis |
 |
| Pineapple Lily |
Eucomis comosa |
 |
| Pine-leaf Penstemon |
Penstemon pinifolius |
 |
| Pink (many) |
Dianthus |
|
| Pink |
Dianthus |
|
| Pink |
Dianthus pavonius |
|
| Pink Baby's Breath |
Gypsophila pacifica |
 |
| Pink Ball Tree |
Dombeya burgessiae |
|
| Pink Calla Lily |
Zantedeschia rehmannii |
|
| Pink Shower Tree |
Cassia grandis |
 |
| Pink Trumpet Tree |
Podranea ricasoliana |
|
| Pink Vine |
Cuspidaria convoluta |
|
| Plantain Lily |
Hosta |
|
| Ploughman's Spikenard |
Inula conyza |
|
| Poached Egg Plant |
Limnanthes douglasii |
|
| Policeman's Helmet |
Impatiens glandulifera |
|
| Pomegranate |
Punica granatum |
|
| Poor Man's Orchid |
Schizanthus hookeri |
|
| Poppy (many) |
Papaver |
|
| Poppy, Field or Flanders |
Papaver rhoeas |
|
| Poppy, Opium |
Papaver somniferum |
|
| Poppy, Oriental |
Papaver orientale |
|
| Poppy Anemone |
Anemone coronaria |
|
| Poppy Mallow |
Callirhoe involucrata |
|
| Portia Tree |
Thespesia populnea |
|
| Posy Bush |
Dais cotinifolia |
|
| Pot Marigold |
Calendula officinalis |
|
| Potanin Indigo |
Indigofera potaninii |
|
| Powder Puff Tree (many) |
Calliandra |
|
| Powder Puff Tree |
Calliandra |
|
| Prarie Coneflower |
Ratibida columnifera |
|
| Prarie Gentian |
Lisianthus (Eustoma) hybrids |
|
| Prarie Mallow |
Sidalcea 'Party Girl' |
|
| Pratia |
Pratia |
|
| Prickly Heath |
Pernettya mucronata |
|
| Prickly Poppy |
Argemone grandiflora |
|
| Pride of India |
Koelreuteria paniculata |
|
| Pride of Madeira |
Echium fastuosum |
|
| Primrose (many) |
Primula |
|
| Primrose |
Primula alpicola |
|
| Primrose |
Primula vulgaris |
|
| Primula |
Primula capitata mooreana |
|
| Princess Persimmon |
Diospiros rhombifolia |
|
| Purple Bell Vine |
Rhodochiton atrosanguineus |
|
| Purple Berkheya |
Berkheya purpurea |
|
| Purple Coneflower |
Echinacea purpurea |
|
| Purple Coral Pea |
Hardenbergia violacea |
|
| Purple Deadnettle |
Lamium purpureum |
|
| Purple Loosestrife |
Lythrum salicaria |
|
| Purple Mullein |
Verbascum phoeniceum |
|
| Purple Viper's Bugloss |
Echium plantagineum |
|
| Purple Wreath Vine |
Petrea volubilis |
|
| Purslane |
Claytonia megarrhiza |
|
| Pussy Paws |
Calyptridium umbellatum |
|
| Pussy Toes |
Antennaria dioica |
|
| Pussy Toes |
Antennaria dioica 'Rosea' |
|
| Pygmy Date Palm |
Phoenix roebellinii |
|
| Pyrenean Cranesbill |
Geranium pyrenaicum |
|
| Pyrenean Whitlow Grass |
Petrocallis pyrenaica |
|
| Pyrethrum |
Tanacetum coccineum |
|
