Oregon Lupine
Lupinus oreganus
Bureau of Land Management – Photo credits: Christine Williams, Mackenzie Cowan, Sandra Miles, Sally Villegas, and West Eugene Wetlands staff.
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Lupinus
- Species:
- Lupinus oreganus
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 2-3 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- mar, apr, may, jun, jul, aug
- Bloom Colors:
- blue, purple
Native Range
United States: Oregon, Washington, Canada: British Columbia
Keystone Species Ranking
- Caterpillar Keystone:
- ★★☆☆☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)
- Bee Keystone:
- ★★★★☆ Based on number of native bee species using this genus for pollen and nectar (Source: National Wildlife Federation)
Host Plant for Caterpillars
Western Blue (Plebejus icarioides)
Soil Requirements
- Soil Type:
- well-drained, sandy or gravelly soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- prefers open, sunny habitats
Germination Information
Pre-treatment: 8 weeks cool/moist stratification
Establishment: This plant is native to Oregon, Washington, and Western Canada. No specific germination protocol, temperature, germination rate or time range was provided in the source material.
Source: npn.rngr.net