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Ceanothus thyrsiflorus - Rhamnaceae - 'Blueblossom,' 'California Lilac.'- This beautiful shrub or small tree is a beacon of the
California coast, blooming with profusion in early spring without fail.
A tight dense mound with glossy foliage is covered with blue flower
clusters with the sweetest scent- some prefer it to the true Lilac.
An excellent ornamental plant, many named forms
are available which take advantage of this plants tendency to create
new shapes depending on the habitat, from prostrate to tall and
tree-like. The plants offered are the offspring of carefully selected
wild parents, low growing and ground hugging, which will achieve a
height of 2'-4' tall at maturity and a diameter of 6'.
Blooming early, this will be a mass of pale
blue, very fragrant flowers starting in March to May depending on how
far south you are located. Reported cold-hardiness in California range
from 20ºF, where you would see some leaf damage, to 10ºF or
lower, where the plant would be frozen to the ground. When this occurs,
in most cases, it will pop up from the roots strong as ever the
following spring.