Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Rhamnaceae

Genus:

Ceanothus

Species:

Ceanothus foliosus var. foliosus

Growth Characteristics

Growth Habit:

Shrub

Height:

150 cm

Drought Tolerance:

High

Bloom Months:

mar,apr,may,jun

Bloom Colors:

blue, purple

Ground Cover:

Yes

Evergreen Shrub:

Yes

Landscaping Shrub:

Yes

Keystone Species Ranking

Caterpillar Keystone:

★★★★☆ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:

bees, butterflies, hummingbirds, birds

Deer Resistant:

Yes

Fragrant:

Yes

Fire Ecology:

Requires fire for germination

Fire Notes:

Ceanothus species are classic fire-dependent chaparral shrubs with seeds that germinate in response to heat and smoke. Plants resprout vigorously from root crown after fire.

Source: Claude claude-sonnet-4-5-20250929 Batch

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–90 days

Scarification:

Seed coat scarification required before sowing

Germination Time:

14–60 days

Notes:

Seeds have hard seed coats requiring scarification and cold stratification. Heat or smoke treatment may improve germination rates.

Source: Claude claude-sonnet-4-5-20250929 Batch