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Corydalis curviflora var. rosthornii ‘Heronswood Form’

Corydalis curviflora var. rosthornii 'Heronswood Form'

This variety has fragrant, deep blue, cornucopia-shaped flowers carried tightly on red stems above 6-inch tall, blue-green foliage. It is considered one of the best blue forms for color and performance.

CarePrefers partial shade in moist, well-drained soil. It goes dormant in high temperatures.

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

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

  • Genus : Corydalis
  • Plant Height : 6 to 12 inches
  • Plant Width : 6 to 12 inches
  • Zones : 7, 8
  • Bloom Time : Early Spring, Early Summer, Late Spring, Spring, Summer
  • Characteristics : Fragrant Flowers, Showy Foliage
  • Uses : Ground Covers
  • Maintenance : Low
  • Moisture : Medium Moisture
  • Growth Rate : Moderate
  • Light : Partial Shade
  • Plant Type : Perennials
  • Plant Seasonal Interest : Spring Interest
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