Siskiyou Onion
Allium siskiyouense
Dianne Fristrom
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Amaryllidaceae
- Genus:
- Allium
- Species:
- Allium siskiyouense
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Geophyte
- Height:
- Less than 6 in
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- apr, may, jun, jul
- Bloom Colors:
- Pink
- Ground Cover:
- Yes
Native Range
United States: California, Oregon
Reported Fauna Sightings
Bees: Two-form bumble bee (Bombus bifarius), Two-form bumble bee (Bombus bifarius), Yellow-faced bumble bee (Bombus vosnesenskii), Yellow-faced bumble bee (Bombus vosnesenskii)
Soil Requirements
- Soil Type:
- rocky, well-drained, nutrient-poor soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to mountainous regions, prefers rocky outcrops