Plant Base Online (beta)
Caryopteris x clandonensis 'Longwood Blue'
© Deeproot Plant Base
common name: Blue Spirea, Bluebeard
growth rate: medium
growth habit: bushy
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: 5 to 9
Small deciduous shrub with aromatic silvery grey-green foliage. Freely produced blue flowers in late summer and early autumn.
Needs sun and a well drained soil. In cold areas grow in a protected south facing position. Top growth may be killed by winter frosts, but will normally re-grow from the base.
Prune back to 15cm in early spring.
By soft-wood cuttings in early summer or semi-ripe cuttings in late summer.
Good for late season colour
Selected at Longwood Gardens, Pennsylvania, USA