Chamisso Arnica
Arnica chamissonis
Kurt Stüber [1]
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Arnica
- Species:
- Arnica chamissonis
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 3-4 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- apr, may, jun, jul, aug, sep
- Bloom Colors:
- Yellow
Native Range
United States: Alaska, Arizona, California, Colorado, Idaho, Montana, New Mexico, Nevada, Oklahoma, Oregon, Utah, Washington, Wyoming, Canada: Alberta, British Columbia, Manitoba, Northwest Territories, Ontario, Quebec, Saskatchewan, Yukon
Reported Fauna Sightings
Bees: Central bumble bee (Bombus centralis), Central bumble bee (Bombus centralis), Forest bumble bee (Bombus sylvicola), Forest bumble bee (Bombus sylvicola), Fuzzy-horned bumble bee (Bombus mixtus), Fuzzy-horned bumble bee (Bombus mixtus), Hunt's bumble bee (Bombus huntii), Hunt's bumble bee (Bombus huntii), Indiscriminate cuckoo bumble bee (Bombus insularis), Indiscriminate cuckoo bumble bee (Bombus insularis), Nevada bumble bee (Bombus nevadensis), Nevada bumble bee (Bombus nevadensis), Red-belted bumble bee (Bombus rufocinctus), Red-belted bumble bee (Bombus rufocinctus), Two-form bumble bee (Bombus bifarius), Two-form bumble bee (Bombus bifarius), Yellow-faced bumble bee (Bombus vosnesenskii), Yellow-faced bumble bee (Bombus vosnesenskii)
Soil Requirements
- Soil Type:
- moist, well-drained sandy loam
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- prefers open meadows and stream banks
Germination Information
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).
Notes: Seeds require cold-moist stratification before germination.
Source: OpenAI GPT-4o