Rhodiola rosea
A clump-forming perennial with fleshy, glaucous grey-green leaves and clusters of yellow-green flowers.
Rodgersia aesculifolia
A clump-forming perennial with bold, crinkled green leaves. Upright stems of white or pink starry flowers.
Rodgersia pinnata
A clump-forming perennial with bold, crinkled dark green leaves. Upright stems of yellowish white, pink or red starry flowers.
Rodgersia pinnata ‘Elegans’
A clump-forming perennial with bold, crinkled dark green leaves, purple-bronze when young. Upright stems of cream, pink-tinted starry flowers.
Rodgersia pinnata ‘Superba’
A clump-forming perennial with bold, crinkled dark green leaves, purple-bronze when young. Upright stems of bright pink starry flowers.
Rodgersia podophylla
A clump-forming perennial with bold, crinkled, glossy, green leaves, bronze when young. Upright stems of creamy green starry flowers. Good autumn colour.
Rodgersia sambucifolia
A clump-forming perennial with bold, hairy, dark green leaves, purple-bronze when young. Upright stems of white or pink starry flowers.
Romneya coulteri
An upright, deciduous subshrub with grey-green leaves and cup-shaped white flowers with prominent yellow stamens in summer.
Roscoea ‘Beesiana’
A tuberous perennial with dark green leaves and large mottled cream and purple-pink, orchid-like flowers in late summer or autumn.
Roscoea auriculata
A tuberous perennial with dark green leaves and rich purple, orchid-like flowers in late summer or autumn.
Roscoea cautleyoides
A tuberous perennial with dark green leaves and yellow, white or purple, orchid-like flowers in mid-summer.
Roscoea purpurea
A tuberous perennial with deep green leaves and purple or occasionally white or bi-coloured, orchid-like flowers in early and mid-summer.