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PlantFiles: Ceanothus, California Lilac
Ceanothus 'Dark Star'

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

3 vendors have this plant for sale.

5 members have or want this plant for trade.


4-6 ft. (1.2-1.8 m)

4-6 ft. (1.2-1.8 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
Sun to Partial Shade

Unknown - Tell us

Bloom Color:
Dark Blue

Bloom Time:
Late Winter/Early Spring
Mid Spring


Other details:
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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By Kelli
Thumbnail #1 of Ceanothus  by Kelli

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There are a total of 25 photos.
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6 positives
No neutrals
No negatives

Gardeners' Notes:

Positive suewylan On Jul 28, 2010, suewylan from North Fork, CA (Zone 7b) wrote:

Wonderful deep blue flowers in spring. Grows on a dry clay bank. Needed little water to establish.

Positive anelson77 On May 3, 2009, anelson77 from Seattle, WA wrote:

Fast growing and stunning in bloom. So far has thrived everywhere I have planted it--does not seem fussy about soil. Does not need summer water. Attractive to bees. Give it room to grow if you dont want to be constantly pruning.

Positive pokerboy On Aug 22, 2004, pokerboy from Canberra
Australia (Zone 8b) wrote:

Great low care shrub. I like the abundance of blue flowers. Prune after flowering to maintain a compact shape. Very drought tolerant. pokerboy.

Positive Melinda56 On Apr 6, 2004, Melinda56 wrote:

I love my neighbor's Ceanothus bush so much that I've planted one of my own. We're in Seattle, and this bush does very well. As another gardener noted, bees just love it--but they're so engrossed in exploring the bush that they never bother people nearby.
My only concern is that I want to keep mine pruned to a nice round shape, rather than letting it grow into a tree, as I've seen around town.

Positive lauburt On Jun 1, 2003, lauburt from Vancouver, WA wrote:

This is a wonderful shrub, but don't put it in front of a window unless you want to trim it 6-8 times a year! A very fast grower and extremely drought tolerant. Not picky about soil either.

Warning: Every bee in the neighborhood will be at your house when it blooms, so don't put it by the door!

Positive Kelli On Mar 7, 2003, Kelli from L.A. (Canoga Park), CA (Zone 10a) wrote:

I like the color and abundance of the flowers.


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

Canoga Park, California
Crescent City, California
Crockett, California
Forest Falls, California
Los Angeles, California
Merced, California
North Fork, California
Rancho Palos Verdes, California
Richmond, California
San Leandro, California
San Rafael, California
Walnut Creek, California
Winchester, California
Portland, Oregon
East Port Orchard, Washington
Seattle, Washington
Vancouver, Washington

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