Sierra Blue Mountain Lilac

Carried by 4 nurseries

Estimated plant range Estimated plant range

Data provided by the participants of the Consortium of California Herbaria

View additional distribution information on the Jepson eflora

Plant description

Hybrid of undetermined Ceanothus species, likely including Ceanothus cyaneus. 'Sierra Blue' is a tall, fast-growing lilac with a reputation for longevity. It can reach 15' - 2' tall and 25' wide. Vivid blue flowers are produced from April to mid-May. This lilac is best grown in full sun and appears to do well on the coast as well as inland.

Hybrid, F2; origin = seedlings (1948) University of California, Los Angeles from C. 'La Primavera' (C. cyaneus x , 1935 sBBG) x C. cyaneus?; intro UCLA 1948 Tolerates almost any soil type. Selected by Walter Lammerts in 1948 from an open-pollinated seedling from santa Barbara Botanic Garden. One parent of this hybrid is C. cyaneus.

Plant overview

Plant type

Shrub

Size

15 - 20 ft Tall
15 - 25 ft Wide

Form

Upright

Growth rate

Fast

Dormancy

Evergreen

Color

Blue

Flowering season

Spring

Landscaping information

Sun

Full Sun

Water

Low, Very Low

Cold tolerance

Soil drainage

Fast, Medium, Slow

Soil description

Tolerates a wide variety of soils.

Wildlife supported

Bees

Alternative names

Common names:

Sierra Blue Ceanothus

Sources

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Additional references for this page:

Thanks to Moosa Creek Nursery and the Theodore Payne Foundation for sharing information about this plant