The Temperate Database is in the process of being updated, with new records being added and old ones being checked and brought up to date where necessary. This record has not yet been checked and updated.
Common Name: Tall Blue Lettuce
Lactuca biennis is a Annual/Biennial up to 1.00 metres tall.
It has medicinal uses.
Eastern N. America - New Brunswick to North Carolina, west to British Columbia and California.
Swamps, stream banks, woods at elevations of 900 - 1500 metres[
The root is analgesic, antiemetic and haemostatic[
]. A decoction has been used in the treatment of body pain, but not pain in the limbs[
]. The decoction has also been used in the treatment of haemorrhages, heart troubles, diarrhoea and vomiting[
Seed - sow spring in situ and only just cover the seed. Germination is usually fairly quick.