Ceanothus
Ceanothus × lorenzenii
unknown author, USFWS
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rhamnaceae
- Genus:
- Ceanothus
- Species:
- Ceanothus × lorenzenii
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub
- Height:
- 6-8 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- may, jun, jul, aug
- Bloom Colors:
- White
Native Range
United States: California
Keystone Species Ranking
- Caterpillar Keystone:
- ★★☆☆☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)
Host Plant for Caterpillars
ceanothus leafminer moth (Tischeria ceanothi), Ceanothus Silkmoth (Hyalophora euryalus), Columbia silk moth (Hyalophora columbia), Elegant Sheep Moth (Hemileuca eglanterina), Kaslo silkmoth (Hyalophora "kasloensis"), Pseudoglaea olivata, Western tent caterpillar (Malacosoma californica), Brown Elfin (Incisalia augustinus), California hairstreak (Satyrium californicum), California tortoiseshell (Nymphalis californica), Hedgerow Hairstreak (Satyrium saepium), Pale Swallowtail (Papilio eurymedon)
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:
- native to coastal regions, prefers dry conditions
Germination Information
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).
Source: OpenAI GPT-4o