From late spring to summer, this species produces clusters of brilliant blue flowers over ferny foliage. It is the parent of many of the rapidly expanding selection of choice blue cultivars.
Noteworthy CharacteristicsThe species and its cultivars usually bloom in spring and go dormant with the onset of summer's heat, and sometimes sprout again in autumn.
CarePrefers partial shade and moderately fertile, well-drained soil.
PropagationSow seed when fresh; germination may be erratic. Divide spring-flowering species in fall.
ProblemsDowny mildew, rust, aphids, slugs, snails; spider mites indoors.
- Genus : Corydalis
- Plant Width : 1 to 3 feet
- Zones : 6, 7, 8
- Plant Height : 6 to 12 inches
- Characteristics : Fragrant Flowers, Showy Foliage
- Light : Full Sun to Partial Shade
- Uses : Ground Covers
- Bloom Time : Late Spring, Spring, Summer
- Maintenance : Low
- Moisture : Medium Moisture
- Growth Rate : Moderate
- Plant Type : Perennials
- Foliage Color : Purple/Burgundy
- Plant Seasonal Interest : Spring Interest
Plant Characteristics are only available to Fine Gardening members
Sign up for a free trial and get instant access to our complete plant guide as well as our entire collection of articles and videos.
