Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Rhamnaceae

Genus:

Ceanothus

Species:

Ceanothus delileanus

USDA Symbol:

CEDE11

Growth Characteristics

Height:

150 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

jul,aug,sep,oct

Bloom Colors:

blue, violet

Landscaping Shrub:

Yes

Keystone Species Ranking

Caterpillar Keystone:

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

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Like other Ceanothus, can resprout from the root crown after fire. Some seed germination may be enhanced by heat or smoke.

Soil Requirements

Soil Type:

well-drained, sandy or rocky soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

prefers poor, infertile soils

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–90 days

Scarification:

Seed coat scarification required before sowing

Germination Time:

14–60 days

Notes:

Seeds benefit from hot water treatment or scarification followed by cold stratification. Germination can be erratic.

The above propagation data sourced from Claude AI