Caryopteris is indigenous in China and Japan, and one of the few shrubs to flower late in the year.
This is a small, fragrant, deciduous, woody-stemmed shrub with oblong, serratedand violet or blue clusters of in the axilla.
C. x clandonensis, is a hybrid of C. incana and C. mongolica, fairly winter-hardy, with small, oblong, greyish-green leaves, and bright blue clusters of.
C. incana is less winter-hardy. It grows slowly, but is slightly taller (up to 150 cm), with broader leaves, hairy on the underside, and long-stemmed, violet-blue clusters of flowers.
This shrub is suitable for a sunny spot in the border in any good soil; it flowers on young wood.back hard in spring; protect against hard frost. Propagate from of semi-ripe shoots (August/September).