Crepis incana
A rosette-forming perennial with grey hairy leaves. Dandelion-like clear pink flowerheads.
Crambe maritima
A spreading mound--forming perennial with large, blue-green leaves. Thick stems carry dense racemes of white flowers. Thrives in a coastal position.
Crambe cordifolia
A clump-forming perennial with large, kidney-shaped, bristly, dark green leaves. Strong stems carry many branched panicles of white flowers.
Cosmos atrosanguineus
A erect then spreading perennial with dark green leaves and cup-shaped, chocolate-scented maroon flowerheads with slightly darker centres.
Corydalis wilsonii
An evergreen perennial with blue-green divided leaves and racemes of short spurred, green tipped, canary yellow flowers.
Corydalis solida f. transsylvanica ‘George Baker’
A perennial with grey-green, deeply divided leaves and racemes of deep reddish salmon pink flowers with downward curving spurs.
Corydalis solida
A perennial with grey-green, deeply divided leaves and racemes of pink to purple-red or white flowers with downward curving spurs.
Corydalis ophiocarpa
A rosette-forming perennial with grey-green divided leaves and racemes of ivory flowers tipped with red.
Corydalis ochroleuca
An evergreen clump-forming perennial with light green divided leaves and racemes of creamy white flowers with yellow throats. Self-seeds freely.
Corydalis lutea
An evergreen perennial with light green divided leaves and racemes of golden yellow flowers. Self-seeds.
Corydalis flexuosa ‘Purple Leaf’
An erect perennial with purplish green divided leaves and dense racemes of bright, slender tubed, blue flowers. Prefers a cool moist position. Summer dormant.
Corydalis flexuosa ‘Père David’
An erect perennial with light green divided leaves and dense racemes of slender tubed, electric blue flowers. Prefers a cool moist position. Summer dormant.