Plants
- Perennial Rye-grassLolium perenne
- Perfoliate AlexandersSmyrnium perfoliatum
- Perforate St John's-wortHypericum perforatum
- PerillaPerilla frutescens
- Perilla 'De Nankin'Perilla frutescens 'De Nankin'
- Periwinkle, common 'Bowles variety'Vinca minor 'Bowles'
- Perovskia Silvery blue
- Persian Ivy 'Variegata'Hedera colchica 'Variegata'
- Persian oakQuercus brantii
- Persian ShieldStrobilanthes dyerianthus
- persicaria affinepersicaria affine
- Persicaria ampiexicaulis 'speciosa'Persicaria ampiexicaulis 'speciosa'
- Persicaria amplexicaulis 'Alba' Persicaria amplexicaulis 'Alba'
- Persicaria amplexicaulis 'Firedance'Persicaria amplexicaulis 'Firedance'
- Persicaria amplexicaulis 'High Society'Persicaria amplexicaulis 'High Society'
- Persicaria amplexicaulis 'Pink Elephant'Persicaria amplexicaulis 'Pink Elephant'
- Persicaria amplexicaulis 'Rosea'Persicaria amplexicaulis 'Rosea'
- Persicaria amplexicaulis 'Taurus'Persicaria amplexicaulis 'Taurus'
- Persicaria amplexicaulus 'Blackfield'Persicaria amplexicaulus 'Blackfield'
- Persicaria campanulata 'Rosenrot'Persicaria campanulata 'Rosenrot'
- persicaria capitatapersicaria capitata
- Persicaria microcephala 'Red Dragon'Persicaria microcephala 'Red Dragon'
- Persicaria polymorphaPersicaria polymorpha
- Peruvian daffodils
- Peruvian Lily Yellow FriendshipAlstroemeria aurea
- Peruvian Lily, St Martins FlowerAlstroemeria ligtu hybrids
- Peruvianyellow perfumed lily, Peruvian daffodilChlidanthus fragrans
- Pesto Perpetuo basilOcimum basilicum citriodorum
- Petroselinum crispum var. tuberosumPetroselinum crispum var. tuberosum
- Petunia 'Carpet Series'Petunia 'Carpet Series'
- Petunia hybridaPetunia hybrida
- Petunia Supertunia Citrus
- Petunia Surfinia SeriesPetunia Surfinia Series
- Peyot Ccyus, Whiskey buttons, Divine cactusLophophora williamsii
- Phacelia Phacelia tanacetifolia