Grape Soda Lupine
Lupinus excubitus
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Lupinus
- Species:
- Lupinus excubitus
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Subshrub
- Height:
- 3-4 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- may, jun
- Bloom Colors:
- Purple
- Landscaping Shrub:
- Yes
Native Range
United States: California, Nevada
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
Arrowhead Blue (Glaucopsyche piasus), Western Blue (Plebejus icarioides)
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 6.0 - 8.0 (neutral to slightly alkaline)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to arid desert regions; prefers open, sunny locations
Germination Information
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Scarify, then cold-moist stratify for 60 days.
Notes: Seeds may require light for optimal germination.
Source: OpenAI GPT-4o