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Hooker's onion (Allium acuminatum)

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.

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