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Tall Swamp Onion Allium validum


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Tall Swamp Onion
© Lady Bird Johnson Wildflower Center

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Alternate name: Swamp Onion

Family: Liliaceae, Lily view all from this family

Description From vigorous rhizomes occur large patches of flat, upright leaves, and flowering stalks to 1-3 ft. in height. Purple-pink flowers occur in tight clusters.

Flower June - September

Flower June - September

Habitat Swampy meadows at medium and high elevations.

Range Mountains from Lake County, California, to s. British Columbia, east to w. Idaho and n.e. Nevada.

Exposure Preference Sun.

Native Distribution Mts. from Lake County, California to s. British Columbia, e. to w. Idaho & n.e. Nevada

Site Preference Swampy meadows at medium & high elevations

Soil Preference Moist soils.