Caryopteris: Caryopteris x clandonensis
Caryopteris is native to Japan and eastern China and a member of the Verbenaceae family. The bushy, deciduous shrub has deep green, fragrant leaves that are barely 1 cm (0.5 inch) long, it has small, bright blue, tubulargrouped in dense clusters that appear between late summer and autumn. It is very popular with butterflies.Caryopteris need a sunny, warm position and well-drained , rich in humus.
It thrives in hot, dry conditions, which is why it should be watered only moderately during the growing season. The container must be well protected before the first frosts to prevent the roots being damaged by frost. It is even safer to move the container to a frost-free place. The previous year’s growth must be cut back in spring.
The seeds collected in autumn are sown in spring. However, it is quicker tofrom greenwood cuttings, taken between spring and summer.