Handsome clumps of dainty divided leaves like those of bleeding heart (Dicentra, to which it is closely related) or maidenhair fern (Adiantum). Clusters of small, spurred flowers. Plant in rich, moist soil. Effective in rock crevices, in open woodland, near pool or streamside. Divided clumps or sow seed in spring or fall. Plants self-sow. Tend to be short lived in mild-winter zones.Corydalis flexuosa
From western China. Typically to 1 ft. high, 8 in. wide, but under favorable conditions it rapidly spreads wider from bulblets on the roots. Finely divided foliage and spikelike clusters of blue flowers in early spring, often continuing into summer. May go dormant in summer, especially in hot climates, but will reappear the following spring.Corydalis lutea
Native to southern Europe. To 15 in. tall, 1 ft. wide. Masses of delicate foliage on many stems. Golden yellow, 3/4-in.-long, short-spurred flowers throughout summer. Self-sows and can become somewhat weedy.
Native to southern Europe. To 15 in. tall, 1 ft. wide. Masses of delicate foliage on many stems. Golden yellow, 3/4-in.-long, short-spurred flowers throughout summer. Self-sows and can become somewhat weedy.Corydalis solida
From northern Europe, Asia. To 10 in. high, 8 in. wide. Blooms in spring, producing spikes containing up to 20 purplish red flowers each. Grow from fall-planted tubers.
Native to Europe, North Africa. Probably best as multistemmed tree; grows moderately quickly to 7...
Early. White flowers to 1 1/2 ft. tall. Bright green leaves.
A low-growing, compact plant that blooms profusely in summer, bearing drooping pink, 1 ft. spires abov...