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.
Corydalis flexuosa ‘China Blue’
An erect perennial with bronze tinted filigree green leaves and dense racemes of bright, slender tubed, wedgewood blue flowers. Prefers a cool moist position. Summer dormant.
Corydalis flexuosa
An erect perennial with light green divided leaves and dense racemes of bright, slender tubed, blue flowers. Prefers a cool moist position. Summer dormant.
Corydalis elata
An erect perennial with light green divided leaves and dense racemes of scented deep blue flowers. Prefers a cool moist position.
Corydalis cheilanthifolia
An evergreen perennial with light to mid-green fern-like leaves and dense spike-like racemes of deep yellow flowers, with straight spurs. Self-seeds.
Corydalis cashmeriana
A tufted perennial with bright green divided leaves and dense racemes of bright blue flowers, with curved spurs. Prefers a cool moist position.
Cortusa matthioli
A clump-forming perennial with hairy deep green leaves. Pendent bell-shaped magenta-pink or purple-violet flowers. Needs a cool position.
Cortaderia selloana ‘White Feather’
Densely tufted, clump-forming perennial grass with arching mid-green leaves. Tall stems of silky white plumes.