caryopteris x clandonensis 'dark knight' (bluebeard, blue mist spirea)

Size: 3 gallon
  • deep blue-purple flowers on the ends of the new growth in late summer
  • rounded, mounding shrub with fragrant, bluish leaves with silvery undersides
  • attractive to hummingbirds, butterflies, and beneficial insects
  • used as cut flowers
  • bloom time: july to september
  • zone 5
  • height 50-60cm
  • spread 50-60cm
  • colour deep blue
  • caryopteris is best treated as a woody perennial, i.e., prune heavily in winter to promote vigorous growth and good flowering
  • grows best in loose loam and will tolerate some drought
  • full sun
  • deer resistant
  • drought tolerant, once established
  • fragrant
  • long blooming
  • (image courtesy of NVK nurseries, NVK holdings inc.)