Broadstemmed Onion
Allium platycaule
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Amaryllidaceae
- Genus:
- Allium
- Species:
- Allium platycaule
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Geophyte
- Height:
- 6 in - 1 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- may, jun
- Bloom Colors:
- Pink
Native Range
United States: California, Nevada, Oregon
Reported Fauna Sightings
Bees: Black-tailed bumble bee (Bombus melanopygus), Black-tailed bumble bee (Bombus melanopygus), Two-form bumble bee (Bombus bifarius), Two-form bumble bee (Bombus bifarius), Yellow head bumble bee (Bombus flavifrons), Yellow head bumble bee (Bombus flavifrons)
Soil Requirements
- Soil Type:
- rocky, well-drained, sandy soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to rocky slopes and open woodlands