Threadleaf Brodiaea ⚠️ Threatened
Brodiaea filifolia
- Native to:
- United States
Joe Decruyenaere (www.flickr.com)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asparagaceae
- Genus:
- Brodiaea
- Species:
- Brodiaea filifolia
- USDA Symbol:
- BRFI
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Geophyte
- Height:
- 50 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- pink, purple
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- bees, native pollinators
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to open grasslands and coastal sage scrub
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–45 days
- Notes:
- Seeds require cool temperatures and moist conditions. Best germinated in fall with winter rains.
The above propagation data sourced from Claude AI