Corydalis 'Craighton Blue'


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Good and vigorous hybrid between two excellent blue species, Corydalis flexuosa and C. elata. This will put on a show in spring into June with lots of vibrant blue, nicely scented flowers on reddish stems which stand above the foliage which looks somewhat like the result of a tryst between a maidenhair fern and a meadow rue. Perfect in the shade garden where it needs moisture. This will go fairly dormant in the dog days of summer but will start up again in early fall. We saw both parents of this hybrid growing and flowering on the same day in May of 2006 in their native haunts in Sichuan near the Wolong Panda Reserve.


Plant Type

  • Perennial / Bulb

Mature Size


Hardiness Zones

  • Zone 6a (-10 °F)
  • Zone 6b (-5 °F)
  • Zone 7a (0 °F)
  • Zone 7b (5 °F)
  • Zone 8a (10 °F)
  • Zone 8b (15 °F)
  • Zone 9a (20 °F)
  • Zone 9b (25 °F)

Sun Exposure

  • Part Shade - Part Sun
  • Shade

Water Needs

  • Moist

Bloom Time

  • Deer Resistant Plants