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Ceanothus Genus

Californian lilac

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General Needs

  • LightFull sun
  • HardinessHalf hardy (min 0°C)
  • SoilClay, Well drained, Chalky
  • Soil pH7.0 to 9.0
  • WaterSemi-moist

Description

Ceanothus genus (Californian lilac). These are evergreen or deciduous shrubs and small trees; there are about 50 species. The flowers are produced in dense clusters and will bloom in the spring.

Characteristics

Deciduous or Evergreens, Fragrants

Origin

W.Canada, United States and Mexico

Interest and use

Grown for their small but densely clustered, mainly blue flowers. Attractive to bees.

Cultivation

They are frost to half hardy; in cold areas you should plant against a south or west facing wall. They will need a sheltered site in full sun and light well drained soil. Remember to cut out the dead wood from the evergreens in the spring and trim their side shoots after flowering. Cut back shoots of deciduous species to basal framework in early spring.

Propagation

You can propagate by greenwood or heel cuttings in the summer.

Pests, diseases or disorders

Susceptible to honey fungus and scale insects.

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