Rocky Mountain Groundsel
Packera streptanthifolia
Dave Powell, USDA Forest Service, Bugwood.org
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Packera
- Species:
- Packera streptanthifolia
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 1-2 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- may, jun, jul, aug
- Bloom Colors:
- Yellow
Native Range
United States: Alaska, California, Colorado, Idaho, Montana, New Mexico, Nevada, Oregon, Utah, Washington, Wyoming, Canada: Alberta, British Columbia, Manitoba, Northwest Territories, Saskatchewan, Yukon
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)
Host Plant for Caterpillars
Reported Fauna Sightings
Soil Requirements
- Soil Type:
- rocky, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- Common in alpine and subalpine regions
Germination Information
Pre-treatment: 5 month cold moist stratification period
Establishment: Seeds are hand collected in late September when achenes are easily separated from the disk. Seeds are grey at maturity. Seeds are collected in paper bags and kept in a well ventilated greenhouse during the drying process and prior to cleaning. P. cymbalarioides is found in wet often organic soil of alpine and subalpine meadows and along small high elevation streams; from British Columbia and Alberta south to California, Idaho, and Wyoming.
Source: npn.rngr.net