Cuyamaca Rockcress
Boechera johnstonii
- Native to:
- United States
iNaturalist: © lagoondon (iNaturalist #26584994)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Brassicaceae
- Genus:
- Boechera
- Species:
- Boechera johnstonii
- USDA Symbol:
- ARHI9
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Subshrub
- Height:
- 40 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- mar,apr,may
- Bloom Colors:
- white, pink, purple
Garden & Ecology Notes
- Wildlife Value:
- small pollinators
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Typical of chaparral plants; may resprout from basal rosette following fire.
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds benefit from cold stratification; germination may be erratic in cultivation.
The above propagation data sourced from Claude AI