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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Allium douglasii (Douglas' onion)
Bransford, W.D. and Dolphia

Allium douglasii

Allium douglasii Hook.

Douglas' Onion

Liliaceae (Lily Family)

Synonym(s):

USDA Symbol: ALDO

USDA Native Status: L48 (N)

Round cluster of flowers atop onion-scented plant.

 

From the Image Gallery

1 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Complexity: Simple
Fruit Type: Capsule
Size Notes: Scape up to about 16 inches tall.
Leaf: Green.
Fruit: Seeds black.

Bloom Information

Bloom Color: White , Pink , Purple
Bloom Time: Apr , May , Jun , Jul

Distribution

USA: ID , OR , WA
Native Distribution: Columbia River Basin of southeastern Washington and northeastern Oregon, and Columbia River Gorge; also reported in Idaho.
Native Habitat: Grasslands that are moist in winter.

Growing Conditions

Water Use: Medium
Light Requirement: Sun
CaCO3 Tolerance: Medium

Benefit

Conspicuous Flowers: yes

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

National Wetland Indicator Status

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
Status: FAC FAC
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Native Seed Network - Corvallis, OR

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 63 - Pacific Northwest Wildflowers (2020) Turner Photographics
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Allium douglasii in USDA Plants
FNA: Find Allium douglasii in the Flora of North America (if available)
Google: Search Google for Allium douglasii

Metadata

Record Modified: 2023-04-10
Research By: TWC Staff

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