Corydalis flexuosa 'China Blue' – Sky-Blue Corydalis for Woodland Gardens

Corydalis flexuosa 'China Blue'

This is one of the coveted blue corydalises. It produces whorled clusters of sky-blue flowers on 18-inch tall plants.

Blooms in spring, goes dormant with summer's heat, and may return in autumn to bloom once again.

Prefers partial shade and moderately fertile, well-drained soil.

Sow seed when fresh; germination may be erratic. Divide in fall.

Downy mildew, rust, aphids, slugs, snails; spider mites indoors.

Height/Spread: 1–3 ft.
Light: Part shade only
Moisture: Medium
Maintenance: Low
Bloom Time: Late spring to summer
Flower Color: Blue
Uses: Beds, borders, ground covers, specimen, cottage gardens, woodland gardens
Type: Perennial

Other: Arkansas Blue Star (Amsonia hubrichtii): Feathery Foliage, Blue Flowers, Golden Fall Color; Caulophyllum thalictroides: Blue Cohosh for Woodland Gardens; Corydalis aurea – Scrambled Eggs, Native Biennial with Yellow Flowers; Corydalis curviflora var. rosthornii 'Heronswood Form' – Fragrant Blue Corydalis; Corydalis elata – Fragrant Blue Corydalis, Heat Tolerant; Corydalis flexuosa 'Blue Panda' – Compact Fragrant Blue Corydalis; Corydalis flexuosa 'Purple Leaf' – Blue Flowers with Purple-Tinged Foliage; Corydalis linstowiana – Purplish-Blue Biennial Corydalis; Corydalis ochroleuca – Creamy White Corydalis, Self-Sowing Perennial; Corydalis solida – Fumewort, Spring Ephemeral for Rock Gardens

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