Alpine Mountainsorrel
Oxyria digyna
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Polygonaceae
- Genus:
- Oxyria
- Species:
- Oxyria digyna
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 1-2 ft
- Light Requirements:
- Part Shade
- Drought Tolerance:
- High
- Bloom Months:
- jun, jul, aug, sep
- Bloom Colors:
- Red, Green
- Ground Cover:
- Yes
Native Range
United States: Alaska, Arizona, California, Colorado, Idaho, Montana, New Hampshire, New Mexico, Nevada, Oregon, South Dakota, Texas, Utah, Washington, Wyoming, Canada: Alberta, British Columbia, Nova Scotia, Northwest Territories, Nunavut, Quebec, Yukon
Host Plant for Caterpillars
Arctic woolly bear moth (Gynaephora groenlandica), American Copper (Lycaena phlaeas), Chalceria rubida, Copper (Lycaena cuprea)
Soil Requirements
- Soil Type:
- rocky, nutrient-poor, well-drained soil
- pH:
- 5.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- often found in alpine and arctic regions
Germination Information
Pre-treatment: Stratification is not necessary. Seed must be surface sown. Germination is greater in light (surface sown) than dark (covered with mulch).
Establishment: O. digynia is a circumboreal species that occurs in the subalpine and alpine in moist sharply drained sites; Alaska through the Cascades to California, east to Labrador, New Hampshire, and south through the Rockies to New Mexico, also in Eurasia.
Source: npn.rngr.net