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The Plant Guide

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Corydalis flexuosa ‘China Blue’

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. 

Noteworthy CharacteristicsBlooms in the spring, goes dormant with the onset of summer's heat, and then may return in autumn to bloom once again. 

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

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

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

  • Genus : Corydalis
  • Plant Height : 1 to 3 feet
  • Plant Width : 1 to 3 feet
  • Zones : 6, 7, 8
  • Characteristics : Fragrant Flowers, Showy Foliage
  • Uses : Ground Covers
  • Bloom Time : Late Spring, Spring, Summer
  • Maintenance : Low
  • Moisture : Medium Moisture
  • Growth Rate : Moderate
  • Light : Partial Shade
  • Plant Type : Perennials
  • Plant Seasonal Interest : Spring Interest
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