Every species and variety we hold, by botanical name — with the family, the growing conditions and the UK hardiness rating for each.
- Ranunculusbuttercup(22)
- Rebutia(5)
- Rheumrhubarb(11)
- Rhododendronrhododendron(154)
- Rhodohypoxis(6)
- Ribesgooseberry(33)
- Robinia(5)
- Rodgersiarodgersia(17)
- Romulearomulea(5)
- Rosarose(406)
- Roscoearoscoea(8)
- Rubusraspberry(14)
- Rudbeckiablack-eyed susan(24)
Rudbeckia
- 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