Epilobium ciliatum

Tracheophyta MagnoliopsidaOnagraceaeEpilobiumEpilobium ciliatum


A perennial herb found on disturbed ground such as in gardens, shrubberies, felled woodland, waste ground, on walls and in pavement cracks. It spreads readily by seed, often colonising newly disturbed sites. It occasionally grows in semi-natural habitats, including marshes. 0?450 m (above Garrigill, Cumberland).



World Distribution

Native of N. America; widely naturalised in C. & N. Europe.

Broad Habitats

Light (Ellenberg): 7

Moisture (Ellenberg): 6

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 6


Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.7

July Mean Temperature (Celsius): 15

Annual Precipitation (mm): 972

Life form information

Height (cm): 75

Perennation - primary


Life Form - primary




Clonality - primary

Little or no vegetative spread

Comment on Clonality

"Produces short leafy stolons for perennation, but not spreading (CPE)"

Distribution information

Count of 10km squares in Great Britain: 2005

Count of 10km squares in Ireland: 400

Count of 10km squares in the Channel Isles: 9

Atlas Change Index: 3.88

Weighted Changed Factor: 41

Weighted Change Factor Confidence (90%)


Distribution information

JNCC Designations


PLANTATT - Attributes of British and Irish plants. (.zip 1455KB) This dataset was compiled and published in 2004, and last updated in November 2008. Download includes an Excel spreadsheet of the attributes, and a PDF explaining the background and nomenclature. Note that the PDF version is the booklet as published, whereas the Excel spreadsheet incorporates subsequent corrections. A hardcopy can be purchased from the Centre for Ecology and Hydrology.