P
- PACHYSANDRA, SPURGE
- PACHYSTACHYS
- PACKERA
- PAINTED TONGUE
- PALM GRASS
- PALMETTO
- PAMPAS GRASS
- PANDOREA
- PAPAYA
- PAPER BUSH
- PAPER MULBERRY
- PAPERBARK TREE
- PARAGUAYAN SWEET HERB, HONEYLEAF, STEVIA
- PARSLEY
- PARSNIP
- PARTHENOCISSUS
- PARTRIDGEBERRY, TWINBERRY
- PASQUE FLOWER
- PASSION FRUIT
- PATRINIA
- PAUROTIS PALM, EVERGLADES PALM
- PAVONIA
- PAWPAW
- PEA
- PEACE LILY
- PEACH AND NECTARINE
- PEACOCK GINGER
- PEANUT
- PEAR, ASIAN
- PEARLY EVERLASTING
- PECAN
- PENSTEMON, BEARD TONGUE
- PENTAS, EGYPTIAN STAR CLUSTERS
- PEONY
- PEPEROMIA
- PEPPER
- PERILLA, WILD BASIL, SHISO
- PERIWINKLE
- PERSEA
- PERSIAN PARROTIA
- PERSIAN SHIELD
- PERSIAN VIOLET
- PERSIMMON
- PETUNIA X HYBRIDA
- PHACELIA
- PHAIUS
- PHILODENDRON
- PHLOMIS
- PHLOX
- PHOTINIA
- PICKEREL WEED
- PIERIS
- PIGGYBACK PLANT
- PILEA
- PINCUSHION FLOWER
- PINDO PALM, JELLY PALM
- PINE
- PINEAPPLE
- PINEAPPLE GUAVA
- PINEAPPLE LILY
- PINK
- PINK TRUMPET VINE
- PISTACHE
- PITCHER PLANT
- PITTOSPORUM
- PLANTAIN LILY
- PLECTRANTHUS
- PLUM
- PLUM YEW
- PLUMBAGO
- PLUMBAGO
- PLUME GRASS, SUGAR CANE
- PLUME POPPY
- POCKETBOOK PLANT
- PODOCARPUS
- POLKA-DOT PLANT, FRECKLE FACE
- POLYPODY FERN
- POLYSCIAS
- POLYSTICHUM
- POMEGRANATE
- PONYTAIL PALM, BOTTLE PALM
- POPLAR, COTTONWOOD, ASPEN
- POPPY
- PORCELAIN BERRY
- PORTERWEED
- PORTULACA
- POTATO
- POTHOS, DEVIL’S IVY
- PRICKLY POPPY
- PRIMROSE
- PRIVET
- PRUNUS
- PSEUDERANTHEMUM
- PTEROSTYRAX
- PTYCHOSPERMA
- PUMPKIN
- PUSSY TOES
