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Corydalis flexuosa ‘Purple Leaf’ (photo courtesy of Terra Nova Nurseries, Inc.)
Corydalis flexuosa ‘Purple Leaf’ (photo courtesy of Terra Nova Nurseries, Inc.)

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Zone
Zones 2-9, 14-24, 32-35, 37, 39-43
Partial Sun
Partial
Regular Water
Moderate

Corydalis flexuosa

Fumariaceae
Perennials

CORYDALIS

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, or near a pool or streamside. Divide 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 grows 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.

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