Rheum australe
A bold perennial with dark green rounded leaves, hairy beneath. Clusters of white to wine-red flowers on an erect stem in summer.
Rheum palmatum
A bold perennial with dark green leaves, purple-red beneath. Creamy green to deep red flowers.
Rheum palmatum ‘Atrosanguineum’
A bold perennial with dark green leaves, vivid crimson when young, purple-red beneath. Rich cerise-pink flowers.
Rheum palmatum var. tanguticum
A bold perennial with jagged dark green leaves, reddish green when young. Tall stems of white, pink or crimson flowers.
Rheum x hybridum ‘Timperley Early’
A good flavoured early rhubarb, suitable for forcing.
Rhipsalis baccifera
An unusual cactus with mid green pendent stems with small funnel shaped flowers followed by mistletoe like fruits
Rhipsalis paradoxa
An unusual cactus with pendent, angled, segmented stems giving a branched chain effect
Rhodanthemum catananche
A silver-grey leaved perennial with daisy-like cream flowers with a maroon stripe and a small yellow centre.
Rhodanthemum gayanum
A semi-erect subshrub with grey-green leaves and daisy-like rose-pink or white flowers with a small brown centre.
Rhodanthemum hosmariense
A spreading subshrub with divided silver leaves and daisy-like white flowers with a yellow centre.
Rhodiola rosea
A clump-forming perennial with fleshy, glaucous grey-green leaves and clusters of yellow-green flowers.
Rhodochiton atrosanguineus
A climber with heart-shaped rich green leaves. Pretty pendent black to reddish purple tubular flowers from summer to autumn.