Plant Base Online (beta)
Caryopteris x clandonensis 'Kew Blue'
common name: Blue spirea, Bluebeard
growth habit: rounded
leaf colour: grey-green
flower colour: blue
main season: Summer
dry soil, moist soil, sandy soil
preferred soil pH: any
minimum temp: -23°C
USDA zone: 6 to 9
Darker blue flowers than the species.
Needs sun and a well drained soil. In cold areas grow in a protected south facing position. Prune back to 15cm in early spring.
By soft-wood cuttings in early summer or semi-ripe cuttings in late summer.