Ceanothus, California Lilac 'Concha'

Ceanothus

Genus
Ceanothus (see-an-OH-thus)
Synonym
Spacing
8-10 ft. (2.4-3 m)
Sun Exposure
10-12 ft. (3-3.6 m)
Danger
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)
Hardiness
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Color
Bloom Time
Other Details
Seed Collecting
Full Sun
Fruit Shape
Fruit Size
Medium Blue
Fruit Colors
Late Winter/Early Spring
Mid Spring
Late Spring/Early Summer
Growing Habit
Evergreen
Days to Maturity
Seed Type
Disease Resistance
Leaf Type
Foliage Color
Bloom Characteristics
Water Requirements
Shrubs
Where to Grow
Other details
Propagation Methods
Soil pH requirements
Patent Information
Plant Size (check one)
Growing Habit
Growth Rate
Leaf Shape
Leaf Appearance
Degree to which the appearance is present
Leaf Texture (top)
Leaf Texture (bottom)
Leaf Color
Color of Leaf Margin
Leaf Substance
Number of Vein Pairs
Appearance of Margin
Margin Width
Flower Shape
Flower Fragrance
Does it set seed?
Flower Size
Flower Type
Blooming Habit
Foliage Habit
Color Patterns
Awards (if applicable)
Seed Type
Growth Habit
Days to Maturity
Awards (if applicable)
Non-patented
Bloom Shape
Other Details
Pruning Instructions
Kernel Color
Flower Shape
Flower Habit
Bloom Size
Color Pattern
Bloom Shape
Pruning Groups
Bloom Diameter
Heat (Pungency)
Fruit Shape
Fruit Size
Fruit Color
Disease Resistance
Seed Type
Flower Size
Size/Type
Flower Characteristics
Leaf Shape/Type
Leaf Texture
Leaf Color
Propagation
Pollination
Bearing Habit
Rootstock Vigor
Disease Resistance
Fruit Usage
Classification
Regional

This plant is said to grow outdoors in the following regions:

Dublin, California

Martinez, California

Rancho Palos Verdes, California

San Diego, California

Ukiah, California

Hillsboro, Oregon

Langley, Washington

Seattle, Washington

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Gardener's Notes:

4
positives
2
neutrals
0
negative
Sort By:
Sort By:
O
Hillsboro, OR | September 2023 | positive

Love this ceanothus. I live at about 1300 ft above sea level outside of Portland, OR and this guy grows like a weed in full sun with just...Read More

K
K
San Leandro, CA (Zone 9b) | March 2020 | neutral

Per Karl Gercens, Conservatory Horticulturist at Longwood Gardens. ht...Read More

C
| December 2014 | positive

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 yea...Read More

A
Seattle, WA | May 2009 | positive

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 la...Read More

B
| February 2008 | positive

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

B
Lakemont, GA (Zone 8a) | March 2007 | neutral

Ceanothus 'Concha' BLUE CEANOTHUS EG (z8) (Hon,Fra)
One of the best garden Ceanothus (to 6'x 6') because it has densely arranged ...Read More

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