Geranium pyrenaicum

Tracheophyta MagnoliopsidaGeraniaceaeGeraniumGeranium pyrenaicum


A perennial herb of hedgerows, roadsides, field margins, rough grassy banks and waste places; often found growing close to habitation, and possibly sometimes occurring as a garden escape or throw-out. Lowland.



World Distribution

Native of the mountains of S. Europe & S.W. Asia; it spread rapidly in W. & C. Europe in the 18th and 19th centuries and now has a European Temperate distribution.

Broad Habitats

Light (Ellenberg): 8

Moisture (Ellenberg): 4

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 6


Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.8

July Mean Temperature (Celsius): 15.6

Annual Precipitation (mm): 823

Life form information

Height (cm): 60

Perennation - primary


Life Form - primary




Clonality - primary

Little or no vegetative spread

Distribution information

Count of 10km squares in Great Britain: 1266

Count of 10km squares in Ireland: 153

Count of 10km squares in the Channel Isles: 7

Atlas Change Index: 1.14

Weighted Changed Factor: 47

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.

Atlas text references

Atlas (92b)
Brewis A, Bowman RP, Rose F
1996.  The flora of Hampshire.
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Meusel H, Jäger E, Rauschert S, Weinert E
1978.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 2. 2 vols.