// SPECIES PROFILE · ANNUAL · NATIVE

Deadly nightshade

Solanum interius

Deadly nightshade (Solanum interius) is a annual in the — family. Native range includes KS, OK. Hardy in zones 2a–10a. Mature size 6"–2'. Blooms Jun–Oct.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 13 U.S. states, including CO, IA, ID, KS, MT, ND…
USDA hardiness: Zones 2a–10a
Mature size: 6"–2'
Sun: —
Water: —
Bloom: Jun–Oct
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Deadly nightshade (Solanum interius) — *Solanum interius* — Deadly nightshade. Photo via iNaturalist — no rights reserved.

Field Notes

[ growing · ecology · siting · care ]

Deadly nightshade (Solanum interius) is a annual in the — family. Native range includes KS, OK. Hardy in zones 2a–10a. Mature size 6"–2'. Blooms Jun–Oct.

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, deadly nightshade pairs naturally with: Common Sunflower (Helianthus annuus), Rocky mountain bee-plant (Peritoma serrulata), Swamp verbena (Verbena hastata), Annual ragweed (Ambrosia artemisiifolia var. artemisiifolia).