C. scoparius subsp. scoparius is an erect shrub of sandy acidic soils, on heaths, open woodland, railway banks, stony riversides and, particularly, on roadside banks and verges where it may often be planted. The prostrate subsp. maritimus grows on western sea-cliffs. Generally lowland, but reaching 640 m in Atholl (E. Perth).
There has been little change in the distribution of C. scoparius since the 1962 Atlas. In N. Britain, entire populations may die back during very cold winters. Subsp. scoparius occurs throughout the range of the species; subsp. maritimus is mapped separately.
European Temperate element; widely naturalised outside its native range.
Light (Ellenberg): 8
Moisture (Ellenberg): 5
Reaction (Ellenberg): 4
Nitrogen (Ellenberg): 4
Salt Tolerance (Ellenberg): 0
January Mean Temperature (Celsius): 3.4
July Mean Temperature (Celsius): 14.6
Annual Precipitation (mm): 1085
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.