Ceanothus
Ceanothus × vanrensselaeri
- Native to:
- United States
GBIF: Arthur L. Menzies
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rhamnaceae
- Genus:
- Ceanothus
- Species:
- Ceanothus × vanrensselaeri
- USDA Symbol:
- CEVA
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub
- Height:
- 150 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- blue
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★☆ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, birds
- Deer Resistant:
- Yes
- Fragrant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Ceanothus species are fire-adapted; seeds germinate readily after fire, and some species resprout from root crowns.
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; avoid heavy clay
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds benefit from cold stratification for 30-60 days to break dormancy.
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Scarify, then cold-moist stratify for 60 days.
Source: Claude AI