Chaparral Whitethorn

Ceanothus leucodermis

Native to:
Mexico, United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Rhamnaceae
Genus:
Ceanothus
Species:
Ceanothus leucodermis
USDA Symbol:
CELE2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub
Height:
400 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr,may,jun
Bloom Colors:
white, blue, pale blue
Landscaping Shrub:
Yes

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

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

Host Plant for Caterpillars

Orgyia cana (Orgyia cana), Periploca ceanothiella, Saturnia albofasciata, Holly Blue (Celastrina argiolus)

Reported Fauna Sightings

Moths:Periploca ceanothiella

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, birds
Deer Resistant:
Yes
Fire Ecology:
Requires fire for germination
Fire Notes:
Resprouts vigorously from root crown after fire. Seeds may require heat or smoke for optimal germination; fire-stimulated recruitment is common in chaparral systems.

Soil Requirements

Soil Type:
rocky, well-drained, nutrient-poor soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
Common in chaparral and coastal sage scrub habitats

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Scarification:
Seed coat scarification required before sowing
Germination Time:
14–60 days
Notes:
Hot water treatment or scarification recommended before cold stratification. Germination can be erratic.

The above propagation data sourced from Claude AI

Pre-treatment: None required

Establishment: C. leucodermis is found within mattoral vegetation association of California.

Source: npn.rngr.net