Caryopteris x clandonensis 'Heavenly Blue' is an upright deciduous shrub with narrow silvery green aromatic leaves. In late summer and early autumn, clusters of small blue flowers appear on long stems amongst the foliage. It is drought tolerant and very attractive to bees and butterflies. Grow in a well drained soil in full sun. Flowers July September. Height 90 100cm. Supplied in a 3 4 litre pot.