Caterpillar Phacelia
Phacelia cicutaria
- Native to:
- Mexico, United States
Joe Decruyenaere (www.flickr.com)





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Boraginaceae
- Genus:
- Phacelia
- Species:
- Phacelia cicutaria
- USDA Symbol:
- PHCI
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- mar,apr,may,jun
- Bloom Colors:
- white, lavender
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Pollen Specialist Bee Keystone:
- ★★★★☆ Native pollen specialist bee species supported by this genus (NWF)
Host Plant for Caterpillars
Annaphila vivianae, Stamnodes albiapicata
Reported Fauna Sightings
Bees: Black-tailed bumble bee (Bombus melanopygus)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Annual that colonizes disturbed and post-fire sites in chaparral and coastal sage scrub communities.
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- Commonly found in chaparral and coastal sage scrub habitats
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 14–30 days
- Notes:
- Surface sow or lightly cover; prefers cool temperatures for germination.
The above propagation data sourced from Claude AI
Pre-treatment: Seed germination is stimulated by the presence of charred wood or aqueous extracts of it
Source: npn.rngr.net