Nakedstem Wallflower
Parrya nudicaulis
- Native to:
- Afghanistan, Aleutian Is., Canada, China, India, Kuril Is., Pakistan, Russia, United States
NPS Photo





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Brassicaceae
- Genus:
- Parrya
- Species:
- Parrya nudicaulis
- USDA Symbol:
- PANU5
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- white, pink, purple
Garden & Ecology Notes
- Deer Resistant:
- Yes
- Fragrant:
- Yes
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:
- native to arctic and alpine regions
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds require cold stratification and light for optimal germination.
The above propagation data sourced from Claude AI