Narrowleaf onion
Allium amplectens
Last reviewed: August 2026
Light
full sun
Water
low
Size
8"–16" H × 3"–6" W
Bloom
Apr, May, Jun
Native to
CA, OR, WA
Pollinators
bees, butterflies
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 431 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaSmall bulb with grass-like foliage and rounded clusters of white to pale pink star-shaped flowers in spring. Found in grassy meadows and rocky openings, going dormant after bloom.
Wildlife value
Spring flowers attract native bees and small butterflies.
Common questions
- How much sun does Narrowleaf onion need?
- Narrowleaf onion grows best in full sun conditions.
- When does Narrowleaf onion bloom?
- Narrowleaf onion blooms in April, May, and June.
- Where is Narrowleaf onion native?
- Narrowleaf onion (Allium amplectens) is native to CA, OR, WA, per the World Checklist of Vascular Plants (Kew).
- What pollinators does Narrowleaf onion attract?
- Narrowleaf onion draws bees and butterflies.
Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Narrowleaf onion? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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