A perennial herb naturalised on roadsides, pathsides and by reservoirs. It arises as a garden escape. Lowland.
D. columnae was introduced into cultivation in Britain in 1824. It was recorded in the wild in 1979 (Surrey) and may be under-recorded.
Native of the mountains of C. & S.E. Europe.
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.