caryopteris x clandonensis 'dark knight' (bluebeard, blue mist spirea)
$34.95
- 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.)