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.
Vigorous plant with deep purple flowers over a long period. Grows 18 ft. long with support.
From the Mediterranean and western Asia. To 2–3 ft. high and wide, with downy, heart-shaped, too...
Native to Europe. Plants grow 1 to 3 ft. tall. Nodding flowers to 2 in. across; short, knobby spurs ab...