General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Dry Mesic
Soil pH Preferences: Slightly alkaline (7.4 – 7.8)
Moderately alkaline (7.9 – 8.4)
Plant Height: 4 to 12 inches
Plant Spread: nil
Leaves: Deciduous
Other: plant has strong onion odor and taste (fragrant to some, malodorous to others); the very narrow, grass-like, 4 to 6 inch leaves usually wither away by the time flowers appear.
Fruit: Dehiscent
Other: although most flowerheads produce seed, occasionally, aerial bulbils are produced in the flowerhead.
Fruiting Time: Summer
Other: dried stem and flowerhead can persist well into winter or may easily be pulled away from the bulb (when ripe) with a gentle tug.
Flowers: Showy
Other: pink to rose-purple flowers form an attractive umbel at the top of a leafless stalk; very showy and colorful in dense populations.
Flower Color: Pink
Bloom Size: Under 1"
Flower Time: Late spring or early summer
Inflorescence Height: to 12 inches.
Underground structures: Bulb
Suitable Locations: Xeriscapic
Uses: Provides winter interest
Will Naturalize
Edible Parts: Roots
Seeds or Nuts
Eating Methods: Culinary Herb/Spice
Dynamic Accumulator: K (Potassium)
Ca (Calcium)
Na (Sodium)
Wildlife Attractant: Bees
Resistances: Deer Resistant
Fire Resistant
Flood Resistant
Drought tolerant
Propagation: Seeds: Suitable for wintersowing
Sow in situ
Other info: approximately 350 seeds/gram (159,000/pound)
Propagation: Other methods: Bulbs
Pollinators: Bees
Various insects
Miscellaneous: Tolerates poor soil
Goes Dormant
Conservation status: Least Concern (LC)

Conservation status:
Conservation status: Least Concern
Common names
  • Tapertip Onion
  • Hooker's Onion

  • Posted by Johannian (The Black Hills, SD - Zone 5a) on Dec 2, 2021 3:50 PM concerning plant:
    Habitat: Open, often rocky slopes, among brush and pines. Range: British Columbia to central California and Southern Asia; east to southern Wyoming and western Colorado.

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