// SPECIES PROFILE · PERENNIAL · NATIVE

Autumn onion

Allium stellatum

Autumn onion (Allium stellatum) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–10a. Mature size 6"–2'. Blooms Jan–Dec.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 15 U.S. states, including AR, IA, IL, IN, KS, MI…
USDA hardiness: Zones 2a–10a
Mature size: 6"–2'
Sun: Part shade
Water: —
Bloom: Jan–Dec
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Autumn onion (Allium stellatum) — *Allium stellatum* — Autumn onion. Photo by Mason Brock (Masebrock) via Wikimedia Commons (Public domain).

Field Notes

[ growing · ecology · siting · care ]

Autumn onion (Allium stellatum) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–10a. Mature size 6"–2'. Blooms Jan–Dec.

Why it's on this list: native species profile. Native-range data from the Lady Bird Johnson Wildflower Center (NPIN), cross-checked against iNaturalist observations. Part of Rooted Revival's regional native plant catalog — true natives for Oklahoma, Arkansas, Missouri and Kansas.

Companion Planting

[ guild · polyculture · cross-layer pairings ]

In the same native range, autumn onion pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), Gray Goldenrod (Solidago nemoralis), Great Blue Lobelia (Lobelia siphilitica), Lady Fern (Athyrium filix-femina).