Ross' Avens
Geum rossii
- Native to:
- Canada, Greenland, Russia, United States
iNaturalist: © matt_mardigan (iNaturalist #66976074)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rosaceae
- Genus:
- Geum
- Species:
- Geum rossii
- USDA Symbol:
- GERO2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 30 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:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to alpine and subalpine regions
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–90 days
- Germination Time:
- 14–42 days
- Notes:
- Cold stratification improves germination rates. Seeds germinate best at cool temperatures typical of alpine conditions.
The above propagation data sourced from Claude AI
Pre-treatment: Germination occurs at 30D/25N C alternating temperature cycle. Germination occurred equally well in light and dark.
Establishment: G. rossii var. turbinatum is found from the arctic south through the mountains to Arizona, California and New Mexico.
Source: npn.rngr.net