-P-
| Plant | Origin | Zone | Height | Type | D/M/W |
| Pachira aquatica - Water / Guiana Chestnut | South America | 10-11 | 20M | ||
| Pachira insignis - Wild Chest Nut | South Amercia | 10-11 | 25M | ||
| Pachira sp - Chestnut | Mexico, South America | 10-12 | 5-25M | ||
| Pachypodium rutenbergianum | Madagascar | 9-11? | |||
| Palo de colore | Puerto Rico | ||||
| Pandanus baptisii - Spinless Pandanus | |||||
| Pandanus baptisii 'Aureus' - Variegated | |||||
| Pandanus furcatus | Bengal & Burma | 9M | |||
| Pandanus pacifica | |||||
| Pandanus pulcher | |||||
| Pandanus pygmaeus | |||||
| Pandanus sanderi | Malaysia | 10B | 6M | ||
| Pandanus stuhlmaurii | |||||
| Pandanus tectorius - Hawaiian pandanus | Tropical Asia, Polynesia | 11 | 6M | ||
| Pandanus utilis - Screw Pine | Madagascar | 11 | |||
| Pandanus veitchii - Veitch Screw Pine | |||||
| Parkia roxburghii - Parkia | India, Java | 10-11 | 35M | ||
| Parmentierra cereifera - Candle Tree | Panama | 10 | 5M | ||
| Paullinia cupana - Guarana | |||||
| Pelagodoxa henryana | Marquises Islands | 10B-11 | 8M | Shade | Moist |
| Peltophorum dubium - Copperpod | Tropical Asia, Australia | 10-12 | 24M | ||
| Peltophorum pterocarpum - Black Wattle / Huilboom | South Africa | 9-12 | 10M | ||
| Peltophorum pterocarpum - Yellow Poinciana | Malaysia, Australia | 10-12 | 15M | ||
| Persea americana - Avocado | West Indies | 10-12 | 10M | ||
| Phenalosperum guayaniensis (borsigianum) | |||||
| Philodendron bipinnatifidum - Selloum | Brazil | 37540 | 3M | ||
| Philodendron giganteum - Giant Philodendron | West Indies | ||||
| Philodendron goldiana | South Africa | ||||
| Philodendron 'MacDowell'- | |||||
| Philodendron salon | |||||
| Phoenicophorium borsigianum - Orange Palm | Seychelles Island | 11 | 15M | SS | Wet |
| Phoenix acalis - Dwarf Date Palm | India Nepal | 10-11 | 2M | Clumping Palms | Dry |
| Phoenix canariensis - Canary Island Palm | Canary Island | 9-10 | 15M | Shade | Dry |
| Phoenix cross | |||||
| Phoenix dactylifera - Edible Date Palm | Arabia, North Africa | 9-11 | 8M | Clumping Palms | Moist |
| Phoenix raysonii - Clumpy Date Palm | Southeast Asia | 10A-11 | 3M | Moist | |
| Phoenix reclinata - Senegal Date Palm | Tropical Africa Madagascar, Comoro Islands | 10B-11 | 10M | Clumping Palms | Moist |
| Phoenix roebelenii - Pygmy Date Palm | Southeast Asia | 10-11 | 3M | Clumping Palms | Moist |
| Phoenix rupicola - Cliffdate Palm | India - Bhutan | 10-12 | 10M | Shade | Moist |
| Phoenix sp. | |||||
| Phoenix sylvestris - East Indian Wine Palm | India, Napal, Pakistan | 9B-11 | 18M | Shade | Moist |
| Pholidostachys pulchra | |||||
| Pholidostachys sp. | |||||
| Photinia fraseri - Redleaf Photinia | 7 | 3M | |||
| Phyllanthus acidus - Otaheite Gooseberry | Argentina | 10 | 3M | ||
| Phyllocarpus septentrionalis - Cardinal Tree | Guatamala to Honduras | 10-12 | 3M | ||
| Phyllostachys aurea - Golden Bamboo | |||||
| Phyllostachys nigra 'Henon' - Henon Bamboo | 8 | ||||
| Phyllostachys spp - Bamboo | |||||
| Phytelephas aequatoriaus | Western Equador | 11 | 12M | Shade | Wet |
| Phytelephas macrocarpa - Ivory Nut Palm | South Amercia | 11 | 7M | Shade | Wet |
| Phytelephas seemannii | Shade | Wet | |||
| Pigafetta filaris | Maluko Archipelago | 11 | 40M | Moist | |
| Pimenta dioica - Allspice | Jamacia, Central America | 10 | 12M | ||
| Pimenta racemosa - Bayrum | Tropical America | 10-12 | 13M | ||
| Pimenta racemosa - Lemon Bay Rum | Tropical America | 10-12 | 13M | ||
| Pinanga coronata | Indonesia | 10B-11 | 6M | Clumping Palms | Moist |
| Pinanga dicksonii | India West on Ghat Mt. | 10-11 | 7M | Clumping Palms | Moist |
| Pinanga kuhlii - Ivory Cane | 10B-11 | Clumping Palms | Moist | ||
| Pinanga patula - Malaysia Sumatra | Sumatra - Malaysia - Indonesia | 3.5M | Clumping Palms | Moist | |