Mahonia aquifolium

Tracheophyta MagnoliopsidaBerberidaceaeMahoniaMahonia aquifolium


An evergreen shrub which spreads rapidly by stolons and can become well established in hedgerows, road verges and woodland. Lowland.



World Distribution

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

Broad Habitats

Light (Ellenberg): 5

Moisture (Ellenberg): 4

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 5


Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.4

July Mean Temperature (Celsius): 15.6

Annual Precipitation (mm): 786

Life form information

Height (cm): 150

Perennation - primary


Life Form - primary




Clonality - primary

Rhizome far-creeping

Distribution information

Count of 10km squares in Great Britain: 991

Count of 10km squares in Ireland: 4

Count of 10km squares in the Channel Isles: 2

Atlas Change Index: 1.61

Weighted Changed Factor: -3

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 (27a)
Bean WJ
1973.  Trees and shrubs hardy in the British Isles, edn 8, II. D-M.
FNAEC (1997)