// SPECIES PROFILE · PERENNIAL · NATIVE

Fringed willowherb

Epilobium ciliatum ssp. ciliatum

Fringed willowherb (Epilobium ciliatum ssp. ciliatum) is a perennial in the — family. Native range includes KS, OK. Hardy in zones 1a–13a. Mature size 29"–6'. Blooms Jun–Oct.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 44 U.S. states, including AK, AZ, CA, CO, CT, DC…
USDA hardiness: Zones 1a–13a
Mature size: 29"–6'
Sun: —
Water: —
Bloom: Jun–Oct
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Fringed willowherb (Epilobium ciliatum ssp. ciliatum) — *Epilobium ciliatum ssp. ciliatum* — Fringed willowherb. Photo via iNaturalist — (c) psweet, some rights reserved (CC BY-SA).

Field Notes

[ growing · ecology · siting · care ]

Fringed willowherb (Epilobium ciliatum ssp. ciliatum) is a perennial in the — family. Native range includes KS, OK. Hardy in zones 1a–13a. Mature size 29"–6'. 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, fringed willowherb pairs naturally with: Common selfheal (Prunella vulgaris), Coon's tail (Ceratophyllum demersum), Fringed willowherb (Epilobium ciliatum), Leafy pondweed (Potamogeton foliosus).