// SPECIES PROFILE · GRASS · NATIVE

Purpletop tridens

Tridens flavus var. flavus

Purpletop tridens (Tridens flavus var. flavus) is a grass in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–11b. Mature size 34"–7'. Blooms Aug–Nov.

// QUICK FACTS

Family: —
Group: grass
Native range: Native to 36 U.S. states, including AL, AR, CT, DC, DE, FL…
USDA hardiness: Zones 2b–11b
Mature size: 34"–7'
Sun: Part shade
Water: Low · xeric
Bloom: Aug–Nov
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Purpletop tridens (Tridens flavus var. flavus) — *Tridens flavus var. flavus* — Purpletop tridens. Photo via iNaturalist — no rights reserved.

Field Notes

[ growing · ecology · siting · care ]

Purpletop tridens (Tridens flavus var. flavus) is a grass in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–11b. Mature size 34"–7'. Blooms Aug–Nov. Low water use makes it a strong candidate for xeric and drought-conscious plantings.

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, purpletop tridens pairs naturally with: Big Bluestem (Andropogon gerardii), Common Rush (Juncus effusus), Eastern Woodland Sedge (Carex blanda), Fox Sedge (Carex vulpinoidea).