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Wild Onion

Allium cernuum

Last reviewed: June 2026

Wild Onion (Allium cernuum)
Photo: (c) Jason Sturner, some rights reserved (CC BY)

Light

part sun

Water

medium

Size

8"–24" H × 6"–12" W

Bloom

Jun, Jul, Aug

Native to

AL, AR, AZ, CO and 28 more states

Pollinators

bees, butterflies, moths

Browse plants for this ecoregion

Wild onion is a graceful native bulb that produces clusters of drooping pink to white flowers on slender stems in summer. The narrow, grass-like leaves emerge in spring and die back by late summer, making this plant essentially dormant through fall and winter.

In an HOA neighborhood

Wild Onion is an HOA-friendly choice in the right placement. Maintenance level: low. Tidiness: 2 out of 5.

Works well in: mid zone, backyard only.

  • Goes completely dormant leaving bare spots
  • May look too wild or weedy for formal settings
  • Common name 'wild onion' could raise concerns

Wildlife value

The nodding flower clusters are excellent for bees, butterflies, and moths during the summer bloom period. Seeds also provide food for birds.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Does Wild Onion fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.