Photo by Melody

PlantFiles: Ceanothus, California Lilac
Ceanothus 'Concha'

Family: Rhamnaceae
Genus: Ceanothus (see-an-OH-thus) (Info)
Cultivar: Concha

One vendor has this plant for sale.

3 members have or want this plant for trade.


8-10 ft. (2.4-3 m)

10-12 ft. (3-3.6 m)

USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:
Dark Blue

Bloom Time:
Late Winter/Early Spring
Mid Spring
Late Spring/Early Summer


Other details:
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
Unknown - Tell us

Patent Information:

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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There are a total of 9 photos.
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3 positives
1 neutral
No negatives

Gardeners' Notes:

Positive CAndersen On Dec 4, 2014, CAndersen from Apple Valley
United States wrote:

Bought this at Oak Hills Nursery (Hesperia, CA) in 2001. They said to plant it on the North side of the house, so partial shade. Next year it's supposed to die (15 Years). It is my absolute favorite of all I grow. Fragrant, attracts bees, but the color is fantastic. After it's done blooming it returns to a dull shrub. I have trimmed it down about 3' from the eves many times. Low water needs. By the looks of it I think it will live longer than they say. I did buy "Yankee Point" at the same time and it's leaves were more glossy and a prettier green-but like they said it won't live long. It died after 5 years. Bought " Frosty Blue" in 2006 and it died after a few years. I recommend Concha.

Positive anelson77 On May 11, 2009, anelson77 from Seattle, WA wrote:

I have several of these. They grow fast and bloom heavily, even one in part shade. No watering needed, even the first year. They bloom later than "Dark Star" and so extend the ceanothus season. Still, "Dark Star" is my favorite, for its intense dark blue color and handsome tiny dark green leaves. "Concha" is lighter blue, has bigger lighter leaves, and grows even faster.

Positive bastowp On Feb 26, 2008, bastowp from Brighton
United Kingdom wrote:

This plant grows well in the UK, which is Zone 8

Neutral berrygirl On Mar 17, 2007, berrygirl from Braselton, GA (Zone 7b) wrote:

Ceanothus 'Concha' BLUE CEANOTHUS EG (z8) (Hon,Fra)
One of the best garden Ceanothus (to 6'x 6') because it has densely arranged dark-grn lvs, because of its attractive clusters of deep-blue flowers, AND because it tolerates some summer water. Sun/Med-D/GDr


This plant has been said to grow in the following regions:

Dublin, California
Martinez, California
Rancho Palos Verdes, California
San Diego, California
Ukiah, California
Langley, Washington
Seattle, Washington

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