General Plant Information (Edit)
Plant Habit: Shrub
Life cycle: Perennial
Water Preferences: Dry Mesic
Minimum cold hardiness: Zone 10a -1.1 °C (30 °F) to +1.7 °C (35 °F)
Maximum recommended zone: Zone 11
Underground structures: Tuber
Dynamic Accumulator: P (Phosphorus)
Mg (Magnesium)
Mo (Molybdenum)
Pollinators: Midges
Flies
Conservation status: Endangered (EN)

Image
Common names
  • Twincrest Onion
  • Aspen Onion
Botanical names
  • Accepted: Allium bisceptrum
  • Synonym: Allium bisceptrum var. bisceptrum
  • Synonym: Allium bisceptrum var. palmeri

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