Spiked Larkspur
Delphinium stachydeum
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Ranunculaceae
- Genus:
- Delphinium
- Species:
- Delphinium stachydeum
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Geophyte
- Height:
- 6-8 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- jun, jul, aug
- Bloom Colors:
- White, Blue
Native Range
United States: California, Idaho, Nevada, Oregon, Washington
Reported Fauna Sightings
Bees: Central bumble bee (Bombus centralis), Central bumble bee (Bombus centralis), Hunt's bumble bee (Bombus huntii), Hunt's bumble bee (Bombus huntii), White-shouldered bumble bee (Bombus appositus), White-shouldered bumble bee (Bombus appositus), Yellow bumble bee (Bombus fervidus), Yellow bumble bee (Bombus fervidus), Yellow head bumble bee (Bombus flavifrons), Yellow head bumble bee (Bombus flavifrons)
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- native to mountainous regions with fertile soils
Germination Information
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.
Source: OpenAI GPT-4o