Ceanothus Arboreus Trewithen Blue California Lilac
Ceanothus Arboreus Trewithen Blue Californian Lilac
The Variety Ceanothus arboreus 'Trewithen Blue' is a magnificent large, wide-spreading evergreen shrub with abundant large clusters of scented rich blue flowers in spring and early summer.
Dense dark green foliage is attractive all year round.
It is one of the largest of the Ceanothus, making a great impact but needing plenty of space.
Height and spread up to 6m by 8m.
Plant in well-drained, fertile soil with the protection of a warm, sunny wall, sheltered from cold winds.
Prune lightly after flowering each year. Avoid cutting into old wood.
This plant has an RHS Award of Garden Merit.
Bee and butterfly friendly.
Good for planting towards the back of a mixed border in full sun.
Ceanothus will tolerate a wide range of problematic soil types as long as they are well drained and not overly fertile.
For best results plant in a warm sheltered spot full sun and make best use of this tough plant by using it in hot dry problem spots where it will flourish in the poor of soils such as dry and and chalk