Evergreen and decidous shrubs and small trees, native to America. Cultivated for their abundant (usually blue and purple) flowers, borne in spring and summer.
Latin name: Ceanothus arboreus "Trewithen Blue"
They grow in full sun and in moderately moist, fertile soils. They require protection from intense frost.
Plant in groups and alone.
Propagated by semi-woody cuttings in summer.
Prune hard in late winter to stimulate a rich flowering in summer.
Small, evergreen shrub with small, fragrant, blue flowers.