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Corydalis flexuosa 'China Blue'

Corydalis flexuosa 'China Blue' Photo/Illustration: Michelle Gervais



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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11
Botanical Name: Corydalis flexuosa 'China Blue' Genus: Corydalis
This is one of the coveted blue corydalises. It produces whorled clusters of sky-blue flowers on 18-inch tall plants. 
 Noteworthy characteristics: Blooms in the spring, goes dormant with the onset of summer's heat, and then may return in autumn to bloom once again. 
 Care: Prefers partial shade and moderately fertile, well-drained soil.
 Propagation: Sow seed when fresh; germination may be erratic. Divide in fall.
 Problems: Downy mildew, rust, aphids, slugs, snails; spider mites indoors.
Height 1 ft. to 3 ft.
Spread 1 ft. to 3 ft.
Growth Habit Clumps
Growth Pace Moderate Grower
Light Part Shade Only
Moisture Medium Moisture
Maintenance Low
Characteristics Fragrant Flowers; Showy Flowers; Showy Foliage
Bloom Time Late Spring; Spring; Summer
Flower Color Blue Flower
Uses Beds and Borders, Ground Covers, Specimen Plant/ Focal Point
Style Cottage Garden, Woodland Garden
Seasonal Interest Spring Interest, Fall Interest
Type Perennials

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