// SPECIES PROFILE · PERENNIAL · NATIVE

Ferriss' horsetail

Equisetum × ferrissii

Ferriss' horsetail (Equisetum × ferrissii) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11a.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 42 U.S. states, including AR, AZ, CA, CO, CT, IA…
USDA hardiness: Zones 2a–11a
Mature size: —
Sun: —
Water: —
Bloom: —
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Ferriss' horsetail (Equisetum × ferrissii) — *Equisetum × ferrissii* — Ferriss' horsetail. Photo via iNaturalist — (c) Daniel S., some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

Ferriss' horsetail (Equisetum × ferrissii) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11a.

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, ferriss' horsetail pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), Lady Fern (Athyrium filix-femina), Wild Strawberry (Fragaria virginiana), Yarrow (Achillea millefolium).