High Northern Buttercup
Ranunculus hyperboreus
- Native to:
- Aleutian Is., Canada, Finland, Greenland, Iceland, India, Kuril Is., Labrador, Nepal, Norway, Pakistan, Russia, Svalbard, Sweden, United States
Jacob W. Frank
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Ranunculaceae
- Genus:
- Ranunculus
- Species:
- Ranunculus hyperboreus
- USDA Symbol:
- RAHY2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Geophyte
- Height:
- 15 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- yellow
- Ground Cover:
- Yes
Keystone Species Ranking
- Pollen Specialist Bee Keystone:
- ★☆☆☆☆ Native pollen specialist bee species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- waterfowl
Soil Requirements
- Soil Type:
- moist, nutrient-rich, organic soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in wet tundra and marshes
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–90 days
- Germination Time:
- 14–60 days
- Notes:
- Seeds require cold stratification and moist conditions. Germination can be erratic.
The above propagation data sourced from Claude AI