Native to North America, and commonly known a the Californian lilac, this genus of around 50 species of evergreen and deciduous shrubs and small trees belongs to the buckthorn (Rhamnaceae) family. Plants are characterized by deep green fliage and vivid blue flowers. Size and shape of the leaves vary, but they are usually small, with noticeable veining, and shallow-toothed edges. The individual flowers are tiny but are borne in rounded heads or conical branching clusters. As well as shades of blue they may be white, cream, or occasionally pink. In common with Monarda, the leaves of some species were used as a tea substitute during the American Revolution.
CULTIVATION
Hardiness varies, with the common western U.S.A. natives being more tender than the few eastern species in cultivation. Plant in full sun with moist well-drained soil. They are drought tolerant but need regular watering when in flower. Propagate from cuttings, by layering, or raise from seed.
Top Tip
Ceanothus plants are undemanding and are tolerant of coastal conditions. Low-growing varities are suited to rock-garden planting or for use as a ground cover.
CULTIVATION
Hardiness varies, with the common western U.S.A. natives being more tender than the few eastern species in cultivation. Plant in full sun with moist well-drained soil. They are drought tolerant but need regular watering when in flower. Propagate from cuttings, by layering, or raise from seed.
Top Tip
Ceanothus plants are undemanding and are tolerant of coastal conditions. Low-growing varities are suited to rock-garden planting or for use as a ground cover.
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