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| 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 | |
| Pinanga philippinensis | Philippines | 10B-11 | 2.5M | Clumping Palms | Moist |
| Pinanga sp. - Thai Mottled | Moist | ||||
| Pinanga spp - Pinanga | 10B-11 | Moist | |||
| Pinus ellioti - Slash Pine | |||||
| Piper auritum - Ear Leafed Pepper | Mexico, Central America | 10-11 | 5M | ||
| Piper methysticum - Kava Kava | 8 | 30M | |||
| Piper nigrum - Peper | 11 | ||||
| Piscidia piscipula - Jamaica Dogwood | |||||
| Pithecellobium acatlense | |||||
| Pithecellobium chloroleucon 'Tortum' | |||||
| Pithecellobium dulce - Manilla Tamarind | Mexico, Central America | ||||
| Pithecellobium flexicaule - Texas Ebony | South Texas, North Mexico | 10 | 15M | ||
| Pittosporum tobira - Japanese Pitt | China, Japan | 9 | 3M | ||
| Platycerium bifurcatum - Staghorn Fern | East Australia | 9-11 | |||
| Plumeria spp - Frangipani | Ecuador, Inex | 10 | 8M | ||
| Podocarpus elatus - Brown Pine | Australia | 9 | 30M | ||
| Podocarpus gracilior - Weeping Podocarpus (afrocarpus) | Subtropic E Africa | 9-10 | 20M | Dry | |
| Podocarpus henkelii | Natal | 9 | |||
| Podocarpus macrophyllus 'Dwarf Pringles' | |||||
| Podocarpus macrophyllus 'Maki' | China | 7 | 15M | ||
| Podocarpus nagi - Nagi | China, Japan | 9 | 30M | ||
| Polyalthia lineare - Mastree | India, Sri Lanka | 10-12 | 20M | ||
| Polyandrococos caudescens - Buri | Brazil | 10-11 | 11M | Solitary Palm | Moist |
| Polyathia longifolia - Ashoka Tree / Mask | India | 10 | 15M | ||
| Polyscias fruticosa - Ming Aralia | |||||
| Polyscias scutellaria 'Balfourii' | |||||
| Pongamia pinnata - Pongam | Tropical Asia, Australia | 10 | 12M | ||
| Posoqueria latifolia - Needle Flower Tree | Tropical America | 10B-11 | 6M | ||
| Posoqueria Trinitatis- | |||||
| Pouroma cecropifolia - Amazon Grape | |||||
| Pouteria caimito - Abiu | Tropical America | 10 | 12M | ||
| Pouteria campechiana - Egg Fruit | Cuba, Panama | 10 | 15M | ||
| Pouteria dominguensis | |||||
| Pouteria hypoglauca - Cinnamon Apple | Yucatan El Salvador | 9-11 | 20M | ||
| Pouteria lucuma - Lucuma | South America | 10-11 | |||
| Pouteria sapota - Mamey Sapote | South & North America | 9-10 | 15M | ||
| Pouteria veride - Green Sapote | |||||
| Prestoea montania | |||||
| Prestoea decurrens | |||||
| Pritchardia hildebrandti | Hawaiian Island Molokai | 10B-11 | 6M | Shade | Moist |
| Pritchardia pacifica - Fiji Fan Palm | Tonga Island | 11 | 9M | Shade | Moist |
| Pritchardia thurstonii | |||||
| Pseudobombax ellipticum - Shaving Brush | Mexico | 10-11 | 10M | ||
| Pseudobombax ellipticum alba - White Shaving Brush | Mexico | 10-11 | |||
| Pseudonamomus umbellifera | |||||
| Pseudophoenix sargenti - Cherry Palm | Florida Keys, Caribbean | 10B-11 | 8m | Shade | Dry |
| Pseudophoenix vinifera | Hispaniola | 10B-11 | 12M | Shade Clumping SC | Dry |
| Psidium friedrichstallianum - Guava | Costa Rica | 10-11 | 8M | ||
| Psidium guajava - Common Yellow Guava | Central & South America | 10 | 9M | ||
| Psidium guajava - Indonesian Seedless | South & Central America | 10 | 9M | ||
| Psidium guineense - Guyana Guava | Tropical America | 9-10 | 6M | ||
| Psidium littorale - Cattley Guava | Brazil | 9 | 6M | ||
| Psidium littorale littorale - Yellow Guava | |||||
| Psidium sp - Guava | C&S America | 10 | 10M | ||
| Psychotria nervosa - Wild Coffee | Caribbean | 10-11 | 5M | ||
| Psychotria verdius | |||||
| Pterocarpus officinalis | Puerto Rico, South America | 10-12 | 30M | ||
| Ptychosperma elegans - Alexander Palm | Queeslands | 10B-11 | 12M | Shade | Moist |
| Ptychosperma lineare | New Guinea, Papua | 10B-11 | 15M | Clumping Palms | Moist |
| Ptychosperma macarthurii - Macarthur Palm | Queensland - Papua New Guinea | 10B-11 | 9M | Clumping Palms | Wet |
| Ptychosperma microcarpum | New Guinea, Papua | 10B-11 | 9M | Clumping Palms | Moist |
| Ptychosperma salomonense | Solomon Islands | 10B-11 | 13M | Clumping Palms | Moist |
| Ptychosperma sanderianum | New Guinea, Papua | 10B-11 | 3M | Clumping Palms | Moist |
| Ptychosperma schefferi | New Guinea | 10B-11 | 7M | Clumping Palms | Moist |
| Ptychosperma sp - Black Fruit | Clumping Palms | Moist | |||
| Ptychosperma takasi | |||||
| Ptychosperma waitianum | New Guinea | 10B-11 | 5M | Clumping Palms | Moist |
| Punica granatum - Pomegranate | Southeast Europe | 7-11 | 6M |
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