Roscoea scillifolia
A slender tuberous perennial with mid-green leaves and blackish pink or purplish pink, orchid-like flowers in summer.
Rudbeckia ‘Goldquelle’
A clump-forming perennial with pretty bright double lemon-yellow flowers from mid-summer to mid-autumn.
Rudbeckia ‘Herbstsonne’ AUTUMN SUN
A clump-forming perennial with dark green leaves and bright yellow daisy-like flowers with a central green cone from mid-summer to early autumn.
Rudbeckia fulgida var. deamii
A clump-forming perennial with hairy stems and mid-green leaves. Bright orange-yellow daisy-like flowers with a blackish brown centre from late summer to mid-autumn.
Rudbeckia fulgida var. speciosa
A clump-forming perennial with mid-green leaves. Bright orange-yellow daisy-like flowers with a blackish brown centre from late summer to mid-autumn.
Rudbeckia fulgida var. sullivantii ‘Goldsturm’
A clump-forming perennial with mid-green leaves. Bright golden yellow daisy-like flowers with a blackish brown centre from late summer to mid-autumn.
Rudbeckia occidentalis ‘Green Wizard’
A clump-forming perennial with mid-green leaves. Curious flowers of black cones with small green sepals and no petals from late summer to mid-autumn.
Rumex acetosa
A tall perennial with bright green arrow-shaped, edible leaves. Green flowers change to red in summer. Sharp lemon flavour,.
Rumex sanguineus var. sanguineus
A rosette-forming perennial with bright green leaves, conspicuously veined red. Green flowers change to red-brown from early to mid-summer.
Rumex scutatus
A low-growing perennial with bright pale arrow-shaped, edible leaves. Greenish flowers in summer. Sharp flavour.
Rumex scutatus ‘Silver Shield’
A low-growing perennial with silver heart-shaped, edible leaves. Greenish flowers in summer. Sharp flavour.
Salvia ‘Indigo Spires’
A floppy perennial with spikes of deep blue flowers from early to mid-summer.