Plant Profile

Plant Profile

Ceanothus arboreus
Island California Lilac

  • ceanothusarboreus

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Ceanothus arboreus- is fairly tall member of the California lilac family. While the size is “variable” a good estimate is maybe 12′ x 8′ to 10′. It has medium blue fragrant flowers that bloom in spring and fall. Large dark green leaves as well. A Channel Islands native it’s the parent in many of our taller California lilac hybrids like Ceanothus ‘Ray Hartman’ for example. The flowers feed both bees and butterflies and the seeds are eaten by birds.

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Plant Facts & Observations

Identification

Botanical Name

Ceanothus arboreus

Common Name

Island California Lilac

Origin

California Native

Characteristics

Plant Type

Shrub

Growth Rate

Moderate growth rate

Mature Size

12' to 14' tall × 8' to 10' wide

Flower Color

Light Blue

Blooming Season

Flowers Spring / Fall

Foliage

Evergreen

Wildlife Value

Bees, Butterflies, Songbirds

Climactic Requirements

Light

Full Sun / Filtered Sun / Full sun on coast / afternoon shade inland

Water

Drought Tolerant / Occasional
Availability

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