A biennial or short-lived perennial herb, found on roadside and railway banks, river shingle, rubbish tips and waste places. Populations are often naturalised. Lowland.
This species, introduced to cultivation in 1826, is now rarely grown, its hybrid with L. arboreus (L. x regalis) being the common garden plant. For this reason it is likely that a large proportion of modern records, at least south of Scotland, are misidentifications of the hybrid. It was known in the wild by 1900.
Native of western N. America.
Count of 10km squares in Great Britain: 215
Count of 10km squares in Ireland: 3
Count of 10km squares in the Channel Isles: 1
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.