Alpine Meadow-Rue
Thalictrum alpinum
- Native to:
- Afghanistan, Austria, Canada, China, Finland, Føroyar, France, Greenland, Iceland, India, Ireland, Italy, Japan, Kazakhstan, Kirgizstan, Kuril Is., Labrador, Myanmar, Nepal, North Caucasus, Norway, NW. Balkan Pen., Pakistan, Poland, Romania, Russia, Spain, Sweden, Switzerland, Tadzhikistan, Transcaucasus, United States, Uzbekistan, Vietnam
Anton Hartinger
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Ranunculaceae
- Genus:
- Thalictrum
- Species:
- Thalictrum alpinum
- USDA Symbol:
- THAL
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 20 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- purple, green
Wildlife Benefits
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★☆☆☆ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
⚠️Bog Fritillary (Clossiana eunomia)
Garden & Ecology Notes
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- moist, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- Prefers alpine and subalpine meadows and rocky areas.
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–60 days
- Notes:
- Seeds require cold stratification and light for germination. Germination can be erratic.
The above propagation data sourced from Claude AI
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.
Source: Claude AI
ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.