St. Francis Cabbage 🛑 Endangered
Streptanthus californicus
- Native to:
- United States
GBIF: Christine Rudman
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Brassicaceae
- Genus:
- Streptanthus
- Species:
- Streptanthus californicus
- USDA Symbol:
- STCA23
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Light Requirements:
- Full Sun
Soil Requirements
- Soil Type:
- rocky, 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 serpentine soils
Propagation & Germination
Pre-treatment: Seed coat lightly nicked with a razor blade and then soaked in a 400-ppm gibberellic acid solution for 15 hours. Seeds then sown on agar plates and placed in the refrigerator for cold stratification.
Source: npn.rngr.net