Fringed Willowherb

Fringed Willowherb

Epilobium ciliatum

Plant Type
Herb (Deciduous)
Landscape Layer
Herbaceous
Sun
☀️ Full Sun, ⛅ Part Sun
Moisture
💧 Regular, 💧💧 High
Soil
Clay, Loam, Sand, Silt, Rocky / Acidic, Organic / Peat, Calcareous
Bloom
June, July, August, September, October
Sociability
S4 – Large patches

Pollinator Value

🐛 Larval Host
Hyles lineata, Anticlea multiferata, Spargania luctuata, Eustroma semiatrata, Albuna pyramidalis, Ecliptopera silaceata, Proserpinus flavofasciata, Spargania magnoliata, Alypia langtoni, Eulithis gracilineata, Amphion floridensis

S13+S15 11 verified Eastern NA

❄️ Winter Food Source
Seeds of Epilobium are consumed by Dusky Grouse (Phasianidae) and Eurasian Linnet (Fringillidae). The tiny wind-dispersed seeds persist on dried capsules into winter, providing a minor food source for seed-eating birds.

S57

Ecology & Conservation

Proximity Score
0
Native Status
❌ Outaouais ✅ Ottawa ❌ QC ✅ ON
Closest Direction
Local
CEC Eco-Regions
5 – Northern Forests, 5.2 – Mixed Wood Shield, 5.2.3 – Algonquin/Southern Laurentians
Rarity Notes
Globally secure (G5) and nationally secure in both Canada (N5) and the US (N5). Ranked S5 in Ontario. Quebec rank is SNR (not ranked). Not listed under SARA or COSEWIC. One of the most widespread Epilobium species in North America.

S22+S26

Rarity Ranks
QC SNR – Not Ranked, ON S5 – Secure
Migration
Stable
Ecological Context
Fringed willowherb is a common perennial of moist disturbed habitats across the Ottawa region. It colonizes streambanks, ditches, marshy ground, wet clearings, and periodically wet rock outcrops including limestone crevices. Listed as Common in the Brunton Ottawa Flora 2005, it thrives in the mixed-wood landscape of ecoregion 5.2.3 where it occupies wet to mesic openings in both natural and anthropogenic settings.

S62+S7+S6

Permaculture & Companion Planting

Roles
Pollinator Attractor

S73/S29/S72 Evidence: Pollinator Attractor: S73 [MEDIUM]: S68 22 bee associations (threshold=3)]

Medicinal Properties

Always consult a qualified healthcare provider before using any plant for medicinal purposes. The information provided is compiled from secondary sources for educational purposes only.

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Category
Analgesic, Orthopedic Aid, Antidiarrheal

S28 Moerman Drug categories

Notes
Hopi used the plant for leg pains (analgesic). Kayenta Navajo applied an infusion as a lotion and poultice of roots for muscular cramps (orthopedic aid). Potawatomi used an infusion of the root to check diarrhea (antidiarrheal).

S28

Edibility & Foraging

Never ingest a plant unless you have 100% certainty of its identity and have consulted multiple reputable sources. The information provided in the Localeaf Plant Database is compiled from secondary sources for educational and historical purposes only.

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❌ Not Edible   

Foraging Notes
No food uses are documented for this species. Moerman lists only medicinal (Drug) uses for Epilobium ciliatum; no Food category entries exist.

S28+S29

Seed Source

  • OWSL
Fringed Willowherb