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Ceanothus arboreus

Catalina ceanothus

Garden

Wishlist

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Features

  • BloomsMay to August
  • Height3m to 8m
  • Spread4m to 8m
  • Growth HabitBushy oval
  • Flower ColourMedium blue-mauve
  • Leaf ColourDark green

Description

Ceanothus arboreus (Catalina ceanothus). A spreading evergreen shrub native to the islands off the south Californian coast . The blue shaded flowers are carried above leaves in loose clusters in spring and early summer. Dark green leaves have a furry underside and are alternate and shaped broadly oval to round. The trunk is low branching and thick. The larger growing of the species, grows to a height of 8m.

Characteristics

Evergreen, Fragrant

Origin

Santa Barbara Island

Interest and use

Banks, hedging, specimen, walls and trellises

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Needs

  • LightPart shade
  • HardinessFrost hardy (min -5°C)
  • SoilSandy, Chalky
  • Soil pH7.0 to 9.0
  • WaterSemi-moist

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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