Shade Phacelia
Phacelia nemoralis
- Native to:
- United States
John Rusk (www.flickr.com) from Berkeley, CA, United States of America





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Boraginaceae
- Genus:
- Phacelia
- Species:
- Phacelia nemoralis
- USDA Symbol:
- PHNE2
Growth Characteristics
- Life Cycle:
- Biennial | Perennial
- Growth Habit:
- Forb/herb
- Height:
- 100 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun,jul,aug
- Bloom Colors:
- white, lavender
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Keystone Species Ranking
- Pollen Specialist Bee Keystone:
- ★★★★☆ Native pollen specialist bee species supported by this genus (NWF)
Reported Fauna Sightings
Bees: Obscure bumble bee (Bombus caliginosus), Yellow head bumble bee (Bombus flavifrons)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- prefers shaded or partially shaded areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Light may enhance germination. Sow on surface or barely cover seed.
The above propagation data sourced from Claude AI