
Photo: Wallace Keck, Public domain, via Wikimedia Commons
Grasses, sedges and wildflowers
Hooker's onion
Allium acuminatum
Call for availabilityNative to the USRestorationHedgerowLandscape
Hooker's onion is a deciduous wildflower that reaches about 1 feet at maturity, with a rapid growth rate. Flower stalk up to about 14 inches tall. In the wild it grows in open, often rocky slopes, among brush and pines.
Water
Low
Light
Sun, Part shade, Shade
Hardiness
Zone 4
Mature height
1 ft
Sizes and pricing for this plant are being confirmed for the coming season.
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Growing guide
- Growth habit
- Deciduous Herb
- Mature size
- Flower stalk up to about 14 inches tall.
- Growth rate
- Rapid
- Water needs
- Low; medium drought tolerance once established
- Soil moisture
- Moist
- Light
- Sun, Part Shade, Shade
- Cold hardiness
- To -28°F (about USDA Zone 4)
- Bloom
- Pink, Purple · May, Jun, Jul
- Grows in
- Open, often rocky slopes, among brush and pines.
- Native range
- British Columbia to central California and southern Arizona; east to southern Wyoming and western Colorado.
Wildlife and uses
Good for: Restoration, Hedgerow, Landscape
Sources
Hardiness zone is estimated from the USDA minimum temperature. Uses are suggested from USDA plant traits.


