Fringed Willowherb

Epilobium ciliatum

Native to:
Aleutian Is., Argentina, Canada, Chile, Falkland Is., Greenland, Guatemala, Kuril Is., Labrador, Mexico, Prince Edward I., United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Onagraceae
Genus:
Epilobium
Species:
Epilobium ciliatum
USDA Symbol:
EPCI

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
150 cm
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug,sep
Bloom Colors:
pink, white

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Eudryas brevipennis, Mompha franclemonti, Mompha powelli, White-lined sphinx moth (Hyles lineata)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, birds
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Pioneer species that colonizes disturbed and burned areas readily; not fire-dependent but benefits from post-fire conditions.

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds require light for germination; surface sow and do not cover.

The above propagation data sourced from Claude AI

Pre-treatment: None required

Establishment: This plant is generally distributed across most of the United States (excluding some south-eastern states) and Canada.

Source: npn.rngr.net