Fendler's Ceanothus
Ceanothus fendleri
- Native to:
- Mexico, United States
iNaturalist: © hannawacker (iNaturalist #86473801)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rhamnaceae
- Genus:
- Ceanothus
- Species:
- Ceanothus fendleri
- USDA Symbol:
- CEFE
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub
- Height:
- 100 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- High
- Bloom Months:
- may,jun,jul,aug
- Bloom Colors:
- white
- 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
Cecropis moth (Automeris cecrops), Columbia silk moth (Hyalophora columbia), Drepanulatrix quadraria, Ixala desperaria, California tortoiseshell (Nymphalis californica), Hedgerow Hairstreak (Satyrium saepium), Holly Blue (Celastrina argiolus), ⚠️Mottled Duskywing (Erynnis martialis), Nais Metalmark (Apodemia nais), Pale Swallowtail (Papilio eurymedon), Western Green Hairstreak (Callophrys apama)
Reported Fauna Sightings
Butterflies:Marine Blue (Leptotes marina)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, birds, small mammals
- Deer Resistant:
- Yes
- Fragrant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from root crown after fire. Common in ponderosa pine and mixed conifer understory with periodic fire regimes.
Soil Requirements
- Soil Type:
- rocky, well-drained, nutrient-poor soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- prefers open, sunny locations
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 improves germination. Seeds may benefit from smoke treatment.
The above propagation data sourced from Claude AI
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Scarify, then cold-moist stratify for 60 days.
Notes: Seeds may require light for optimal germination.
Source: Claude AI