WildBristol.uk - Discovering Wildlife in Bristol

Widespread but scattered throughout the UK and mainly in the South. Habitat includes: Dry, base-rich, calcareous soils in places such as woodland, hedge-banks, scrub, rough grassland, river banks, swamp woodland, gardens (often escapes) etc. Growing habit: Perennial. Height: Up to 1 m. Flowers: July to September.

Useful Links:

Naturespot

Online Atlas of the British and Irish Flora

Bioimages

RHS

Kew

GBIF

NBN