perennial

Ceanothus thyrsiflorus Eschsch.

Ceanothus thyrsiflorus Eschsch.. Ceanothus thyrsiflorus, known as blueblossom or blue blossom ceanothus, is an evergreen shrub in the buckthorn family Rhamnaceae that is endemic to Oregon and California in the US. The term 'Californian lilac' and ‘Mountain lilac’ is also applied to this and other varieties of ceanothus, though it is not closely related to Syringa, the true lilac.

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Ceanothus thyrsiflorus Eschsch. — seeds, tools & books

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Native range

Native range not recorded for this plant. Often a non-native cultivar or naturalized garden plant.

Related plants

Sources

USDA PLANTS