A biennial or monocarpic herb, found in a wide range of habitats including disturbed woodland, woodland edges and clearings, shaded hedge banks, river-banks, the base of walls, road verges, waste ground, farmyards and gardens. It grows especially well on relatively fertile, moist soils, but avoids only the most acidic sites. Generally lowland, but reaching 535 m S. of Garsdale Head (N.W. Yorks.).
No change is apparent in the distribution of this species since the 1962 Atlas.
European Temperate element; also in C. Asia and widely naturalised outside its native range.
Light (Ellenberg): 5
Moisture (Ellenberg): 6
Reaction (Ellenberg): 7
Nitrogen (Ellenberg): 8
Salt Tolerance (Ellenberg): 0
January Mean Temperature (Celsius): 3.6
July Mean Temperature (Celsius): 15.1
Annual Precipitation (mm): 935
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
1996. Aspects of the ecology of an invasive plant, garlic mustard (Alliaria petiolata), in Central Illinois. Restoration Ecology. 4(2):181-191.
1979. The biology of Canadian weeds. 35. Alliaria petiolata (M. Bieb) Cavara and Grande. Canadian Journal of Plant Science. 59:217-229.
1988. Comparative Plant Ecology.
1986. Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Jalas & Suominen (1994)
1965. Vergleichende Chorologie der zentraleuropäischen Flora. Volume 1. 2 vols.
1991. Crucifers of Great Britain and Ireland. Botanical Society of the British Isles Handbook no. 6.