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Ceanothus americanus

The genus Ceanothus is comprised of deciduous and evergreen shrubs, mostly from western North America, and also from the eastern U.S. and Mexico, in a wide distribution from the coast to the mountains, usually in scrub and woodland on dry slopes. They are grown for their small but abundant, blue, white, or pink flowers. Some of the species are suitable for shrub borders or against a sunny wall. Low-growing or prostrate species work well as a groundcover or in rock gardens. May be trained against a wall, where they may reach twice the size they would in an open site. Relatively lime tolerant. Expect a lifespan of 5 to 10 years.

Noteworthy Characteristics

CareGrow in fertile, well-drained soil in full sun, sheltered from strong, cold winds.

PropagationRoot greenwood cuttings of deciduous plants, and semi-ripe cuttings of evergreens, in mid- or late summer.

ProblemsCommon: dieback, powdery mildew, mushroom root rot, fungal leaf spots, and Verticillium wilt. Caterpillars, scale insects, lacebugs, and mealybugs occur.

Species and cultivars

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