Solidago canadensis

Tracheophyta MagnoliopsidaAsteraceaeSolidagoSolidago canadensis


A tall, rhizomatous perennial herb naturalised on roadsides, by railways and on river banks, waste ground and spoil heaps on a wide range of soil types. Garden throw-outs can be very persistent; the plants are fertile and spread by seed. Lowland.



World Distribution

Native of N. America; widely naturalised in Europe.

© Shannon, P

Broad Habitats

Light (Ellenberg): 8

Moisture (Ellenberg): 5

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 6


Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.6

July Mean Temperature (Celsius): 15.6

Annual Precipitation (mm): 833

Life form information

Height (cm): 200

Perennation - primary


Life Form - primary


Comment on Life Form

treat as a hemicryptophyte with spreading rhizome



Clonality - primary

Rhizome shortly creeping

Distribution information

Count of 10km squares in Great Britain: 981

Count of 10km squares in Ireland: 24

Count of 10km squares in the Channel Isles: 5

Weighted Changed Factor: 6

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

Meusel H, Jäger EJ
1992.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 3. 2 vols.
Werner PA, Bradbury IK, Gross RS
1980.  The biology of Canadian weeds. 45. Solidago canadensis L. Canadian Journal of Plant Science. 60:1393-1409.