Corydalis flexuosa 'China Blue'

Corydalis flexuosa 'China Blue'

Photo/Illustration: 
Michelle Gervais
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(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.

Overview

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
Island Paradise
Uses
Beds and Borders,
Ground Covers,
Specimen Plant/Focal Point
Style
Cottage Garden,
Woodland Garden
Seasonal Interest
Spring Interest
Type
Perennials

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Corydalis elata
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Corydalis flexuosa 'Purple Leaf'
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Corydalis flexuosa
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Corydalis flexuosa 'Blue Panda'