Drummond's Mountain-Avens
Dryas drummondii
- Native to:
- Canada, Labrador, United States
iNaturalist: © ptarmigan (iNaturalist #186784749)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rosaceae
- Genus:
- Dryas
- Species:
- Dryas drummondii
- USDA Symbol:
- DRDR
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Shrub , Subshrub
- Height:
- 20 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- yellow
- Ground Cover:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- rocky, well-drained, nutrient-poor soil
- pH:
- 6.0 - 8.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- thrives in disturbed sites like glacial deposits
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds require light for germination. Cold stratification improves germination rates significantly.
The above propagation data sourced from Claude AI
Pre-treatment: 5 month outdoor cold, moist stratification
Establishment: Seeds are collected in mid to late August when they are easily detached from the receptacle. They are light tan at maturity and are stored in a well ventilated drying shed prior to cleaning.
Source: npn.rngr.net
ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.