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 ‘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 lutea
An evergreen perennial with light green divided leaves and racemes of golden yellow flowers. Self-seeds.
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 ophiocarpa
A rosette-forming perennial with grey-green divided leaves and racemes of ivory flowers tipped with red.
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 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 wilsonii
An evergreen perennial with blue-green divided leaves and racemes of short spurred, green tipped, canary yellow flowers.
Corylopsis pauciflora
A bushy, spreading shrub with bright green leaves, bronze when young. Pendent bell-shaped , fragrant, pale yellow flowers.
Corylopsis sinensis var. sinensis
A large shrub or small tree with lemon-yellow flowers.
Corylopsis sinensis var. sinensis ‘Spring Purple’
An open spreading shrub with dark plum purple leaves when young. Pendent racemes of bell-shaped, pale lemon yellow flowers.
Corylopsis spicata
An open spreading shrub with dark green leaves above and blue-green beneath. Pendent racemes of bell-shaped, bright yellow flowers, with red to purple anthers.