// SPECIES PROFILE · PERENNIAL · NATIVE

Yellow-fruit horse-gentian

Triosteum angustifolium

Yellow-fruit horse-gentian (Triosteum angustifolium) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 3a–10a. Mature size 1"–30".

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 25 U.S. states, including AL, AR, CT, DC, DE, GA…
USDA hardiness: Zones 3a–10a
Mature size: 1"–30"
Sun: —
Water: —
Bloom: —
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Yellow-fruit horse-gentian (Triosteum angustifolium) — *Triosteum angustifolium* — Yellow-fruit horse-gentian. Photo by Eric Hunt via Wikimedia Commons (CC BY-SA 4.0).

Field Notes

[ growing · ecology · siting · care ]

Yellow-fruit horse-gentian (Triosteum angustifolium) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 3a–10a. Mature size 1"–30".

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, yellow-fruit horse-gentian pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), Blue-Eyed Grass (Sisyrinchium angustifolium), Butterfly Milkweed (Asclepias tuberosa), Cardinal Flower (Lobelia cardinalis).