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// SPECIES PROFILE · PERENNIAL · NATIVE

Marsh willowherb

Epilobium palustre

Marsh willowherb (Epilobium palustre) is a perennial in the — family. Native range includes KS — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 1a–11a. Mature size 1"–32". Blooms Jun–Aug.

// QUICK FACTS
Family
—
Group
perennial
Native range
Native to 24 U.S. states, including AK, CA, CO, CT, ID, KS…
USDA hardiness
Zones 1a–11a
Mature size
1"–32"
Sun
—
Water
—
Bloom
Jun–Aug
Wildlife value
Pollinator and wildlife support
Ecological role
native species profile
Marsh willowherb (Epilobium palustre)
Epilobium palustre — Marsh willowherb. Photo by Kristian Peters -- Fabelfroh 08:57, 17 August 2007 (UTC) via Wikimedia Commons (CC BY-SA 3.0).

Field Notes

[ growing · ecology · siting · care ]

Marsh willowherb (Epilobium palustre) is a perennial in the — family. Native range includes KS — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 1a–11a. Mature size 1"–32". Blooms Jun–Aug.

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, marsh willowherb pairs naturally with: Lady Fern (Athyrium filix-femina), Wild Strawberry (Fragaria virginiana), Yarrow (Achillea millefolium), Common selfheal (Prunella vulgaris).

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