Paeonia californica * California Peony
Pandorea jasminoides * Bower Vine
Pandorea pandorana * Yellow Wonga Wonga Vine
Parahebe lyallii
Parkinsonia aculeata Desert Museum * Thornless Palo Verde
Parthenocissus tricuspidata * Boston Ivy, Japanese Creeper
Passiflora alata* Winged Stem Passion Vine
Passiflora 'Constance Elliot' * Passion Vine
Passiflora 'Coral Sea' * Passion Vine
Passiflora edulis * Passion Fruit
Passiflora Incense * Incense Passion Flower
Passiflora 'Lavender Lady' * Passion Vine
Passiflora sanguinolenta * Blood Red Passion Vine
Passiflora vitifolia Scarlet Flame * Red Granadilla
Pavonia missionum
Pavonia praemorsa * Yellow Mallow
Pedicularis groenlandica * Elephant's Head
Pelargonium cordifolium * Heartleaf Geranium
Pelargonium fragrans * Nutmeg Geranium
Pelargonium quercifolium * Oakleaf Geranium
Pelargonium reniforme
Pelargonium sidoides
Pelargonium tomentosum * Peppermint Scented Geranium
Pellaea andromedifolia * Coffee Fern
Pennisetum setaceum rubrum * Red Fountain Grass
Penstemon Burgundy Brew * Burgundy Brew Beard Tongue
Penstemon centranthiflius * Scarlet Bugler
Penstemon cobaea * Purple Beard Tongue
Penstemon Evelyn
Penstemon 'Firebird * Firebird Beard Tongue
Penstemon grinnellii * Grinnell's Penstemon
Penstemon heterophylla * Foothill Penstemon
Penstemon Hidcote Pink * Hidcote Pink Beard Tongue
Penstemon Huskers Red * Huskers Red Beard Tongue
Penstemon Margarita BOP
Penstemon Midnight
Penstemon parryi * Parry's Penstemon, Desert Penstemon
Penstemon Raven
Penstemon Red Rocks
Pentas lanceolata Pearl White * Star Clusters
Pentas lanceolata Red * Star Clusters
Perovskia atriplicifolia * Russian Sage
Persimmon
Petrea volubilis * Sandpaper Vine
Phacelia campanularia * Desert Bluebell
Phacelia grandiflora * Giant Flowered Phacelia
Philadelphus mexicanus plena * Double Flowering Evergreen Mock Orange
Phlomis fruticosa * Jerusalem Sage
Phlomis lanata * Jerusalem Sage
Phlomis purpurea * Purple Jerusalem Sage
Phlox subulata * Creeping Phlox
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Phoenix canariensis - Canary Island Date Palm
Phoenix reclinata - Senegal Date Palm
Phoenix roebelenii - Pygmy Date Palm
Pholistoma auritum * Fiesta Flower
Phormium Jack Spratt * Dwarf New Zealand Flax
Phormium Pink Stripe * New Zealand Flax
Phygelius capensis * Cape Fuchsia
Phygelius Moonraker * Yellow Cape Fuchsia
Phygelius Pink Sensation * Pink Cape Fuchsia
Phyla nodiflora * Lippia
Pimelea ferruginea * Pink Rice Flower
Pinus coulteri * Coulter Pine, Big Cone Pine
Pinus monophylla * Single Leaf Pinyon Pine
Pistacia chinensis * Chinese Pistache
Phygelius capensis * Cape Fuchsia
Physostegia virginiana * Obedient Plant, False Dragon's Head
Platanus racemosa * Sycamore
Platycodon grandiflorus * Balloon Flower
Platystemon californicus * Cream Cups
Plectranthus argentatus * Silver Spur Flower
Plectranthus ciliatus Drege * Spur Flower
Plectranthus Mona Lavender * Lavender Spur Flower
Plum - Elephant Heart
Plumbago auriculata * Cape Plumbago
Podranea ricasoliana * Port St. John's Creeper
Polygala dalmaisiana * Sweet Pea Shrub
Polygonum californicum * California Polypody
Polystichum munitum * Western Sword Fern
Potentilla glandulosa * Sticky Cinquefoil
Prunella laciniata * Cutleaf Heal All
Prunella vulgaris vulgaris * Common Selfheal
Prunella vulgaris lanceolata * Lance Selfheal
Prunus andersonii * Desert Peach, Desert Almond
Prunus campanulata * Taiwan Flowering Cherry
Prunus ilicifolia* Holly Leafed Cherry
Prunus ilicifolia ssp. lyonii * Catalina Cherry
Pterocarya stenoptera * Chinese Wingnut
Punica granatum * Pomegranate 'Wonderful'
Puya alpestris * Saphire Tower
Pyrostegia venusta * Flame Vine
Pyrus 'asian pear' var '20th century'
Pyrus calleryana * Bradford Pear
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