Gaultheria shallon

Tracheophyta MagnoliopsidaEricaceaeGaultheriaGaultheria shallon


A low shrub, locally naturalised in woodland and open heathland on acidic, sandy and peaty soils. Generally lowland, but reaching 365 m at Tosson (S. Northumb.).



World Distribution

Native of western N. America.

Broad Habitats

Light (Ellenberg): 3

Moisture (Ellenberg): 4

Reaction (Ellenberg): 4

Nitrogen (Ellenberg): 3


Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.6

July Mean Temperature (Celsius): 14.9

Annual Precipitation (mm): 1077

Life form information

Height (cm): 150

Perennation - primary


Life Form - primary




Clonality - primary

Rhizome far-creeping

Count of 10km squares in Great Britain: 179

Count of 10km squares in Ireland: 14

Count of 10km squares in the Channel Isles: 1

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

Bean WJ
1973.  Trees and shrubs hardy in the British Isles, edn 8, II. D-M.
Fraser L, Turkington R, Chanway CP
1993.  The biology of Canadian weeds. 102. Gaultheria shallon Pursh. Canadian Journal of Plant Science. 73:1233-1247.
Hultén E
1968.  Flora of Alaska and neighboring territories.
Spencer J
2000.  A bleak future for Gaultheria shallon in the New Forest. BSBI News. 84:47-48.