// SPECIES PROFILE · VINE · NATIVE

Illinois greenbriar

Smilax illinoensis

Illinois greenbriar (Smilax illinoensis) is a vine in the — family. Native range includes AR, MO. Hardy in zones 2b–8a. Blooms May–Jun.

// QUICK FACTS

Family: —
Group: vine
Native range: Native to 9 U.S. states, including AR, IA, IL, IN, MI, MN…
USDA hardiness: Zones 2b–8a
Mature size: —
Sun: —
Water: —
Bloom: May–Jun
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Illinois greenbriar (Smilax illinoensis) — *Smilax illinoensis* — Illinois greenbriar. Photo via iNaturalist — (c) Quinten Wiegersma, some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

Illinois greenbriar (Smilax illinoensis) is a vine in the — family. Native range includes AR, MO. Hardy in zones 2b–8a. Blooms May–Jun.

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, illinois greenbriar pairs naturally with: Riverbank Grape (Vitis riparia), Summer Grape (Vitis aestivalis), Virginia Creeper (Parthenocissus quinquefolia), Virgin's Bower (Clematis virginiana).