Every species and variety we hold, by botanical name — with the family, the growing conditions and the UK hardiness rating for each.
Petasites fragranswinter heliotropeAsteraceaeH7
Petasites japonicusgiant butterburAsteraceaeH7
Petasites × hybridusbutterburAsteraceaeH5
Phagnalon saxatileAsteraceaeH5
Pilosella cymosa subsp. sabinaAsteraceaeH5- Pityopsis pinifoliaAsteraceaeH3
Plecostachys serpyllifoliaAsteraceaeH1b
Ptilostemon aferAsteraceaeH5
Raoulia eximiaNew Zealand vegetable sheepAsteraceaeH4
Raoulia rubraAsteraceaeH4
Raoulia subsericea 'Wanaka'AsteraceaeH4
Ratibidaprairie coneflowerAsteraceae
Ratibida columniferaupright prairie coneflowerAsteraceaeH4
Ratibida pinnataAsteraceaeH6
Rhodanthemum hosmarienseMoroccan daisyAsteraceaeH4
Rhodanthemum hosmariense 'Zagora Yellow'AsteraceaeH4
Richteria leontopodiumAsteraceaeH3- Roldana aschenborniaAsteraceaeH4
Roldana petasitisvelvet groundselAsteraceaeH4- Rudbeckia Summerdaisy's Bronze BicolorAsteraceaeH6
Rudbeckia fulgidablack-eyed SusanAsteraceaeH7- Rudbeckia fulgida 'Goldblitz'Goldblitz coneflowerAsteraceaeH5
- Rudbeckia fulgida 'Goldsturm'Black-eyed SusanAsteraceaeH5
Rudbeckia fulgida var. deamiiDeam's coneflowerAsteraceaeH6
Rudbeckia fulgida var. sullivantiiSullivant's coneflowerAsteraceaeH5
Rudbeckia hirta 'Cherry Brandy'Cherry Brandy Black-eyed SusanAsteraceaeH7
Rudbeckia hirta var. pulcherrimaAsteraceaeH6
Rudbeckia laciniatacut-leaved coneflowerAsteraceaeH7- Rudbeckia laciniata 'Golden Glow'Golden GlowAsteraceaeH7
Rudbeckia laciniata 'Goldquelle'Goldquelle cutleaf coneflowerAsteraceaeH7- Rudbeckia laciniata 'Herbstsonne'Cutleaf Coneflower 'Herbstsonne'AsteraceaeH7
Rudbeckia maximagreat coneflowerAsteraceaeH7
Rudbeckia mollisSoft RudbeckiaAsteraceae
Rudbeckia nitidashining coneflowerAsteraceae- Rudbeckia nitida 'Goldquelle'Black-Eyed SusanAsteraceae
- Rudbeckia nitida 'Herbstsonne'Asteraceae
- Rudbeckia sub. 'Henry Eilers'Black-eyed SusanAsteraceae
- Rudbeckia sub. 'Little Henry'Black-eyed SusanAsteraceae
Rudbeckia subtomentosasweet coneflowerAsteraceaeH5
Rudbeckia subtomentosa 'Henry Eilers'Sweet Coneflower 'Henry Eilers'AsteraceaeH5
Rudbeckia trilobabrown-eyed susanAsteraceae- Rudbeckia triloba 'Blackjack Gold'AsteraceaeH5
Rudbeckia triloba 'Prairie Glow'brown-eyed Susan 'Prairie Glow'AsteraceaeH6
Santolina chamaecyparissuscotton lavenderAsteraceaeH5
Santolina chamaecyparissus 'Edward Bowles'Lavender Cotton 'Edward Bowles'AsteraceaeH6- Santolina chamaecyparissus 'Nana'dwarf lavender cottonAsteraceaeH5
Santolina rosmarinifoliaAsteraceaeH5
Santolina rosmarinifolia subsp. rosmarinifolia 'Primrose Gem'lavender cotton 'Primrose Gem'AsteraceaeH5