Root - raw or cooked
. This contradicts with the report in 
that the plant does not form tubers on its rhizomes.
The juice gives a permanent colour to linen and wool and does not wash out
. The colour is not mentioned[K].
The whole plant is used as an astringent, hypoglycaemic, mild narcotic and mild sedative
. It also slows and strengthens heart contractions
. The plant has been shown to be of value in the treatment of hyperthyroidism
, it is also used in the treatment of coughs, bleeding from the lungs and consumption, excessive menstruation etc
. It should not be prescribed for pregnant women or patients with hypothyroidism
. The plant is harvested as flowering begins and can be use fresh or dried, in an infusion or as a tincture
Seed - sow spring or autumn in a cold frame
. Prick out the seedlings into individual pots when they are large enough to handle and grow them on in the greenhouse for their first year. Plant them out into their permanent positions in early summer.
Division in spring or autumn
. Larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the spring.
Practical Plants is currently lacking information on propagation instructions of Lycopus americanus. Help us fill in the blanks! Edit this page to add your knowledge.
Succeeds in damp meadows or in wet places by ponds or streams
Problems, pests & diseases
Associations & Interactions
There are no interactions listed for Lycopus americanus. Do you know of an interaction that should be listed here? edit this page to add it.
Polycultures & Guilds
There are no polycultures listed which include Lycopus americanus.
This table shows all the data stored for this plant.
Material uses & Functions
Native Climate Zones
Adapted Climate Zones
Native Geographical Range
Root Zone Tendancy
? 1.01.11.21.3 Coffey. T. The History and Folklore of North American Wild Flowers. Facts on File. ISBN 0-8160-2624-6 (1993-00-00)
? 2.02.12.22.3 Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press ISBN 0-333-47494-5 (1992-00-00)
? 3.03.13.23.3 Grieve. A Modern Herbal. Penguin ISBN 0-14-046-440-9 (1984-00-00)
? 4.04.1 Kavasch. B. Native Harvests. Vintage Books ISBN 0-394-72811-4 (1979-00-00)
? 5.05.15.2 Foster. S. & Duke. J. A. A Field Guide to Medicinal Plants. Eastern and Central N. America. Houghton Mifflin Co. ISBN 0395467225 (1990-00-00)
? 6.06.16.26.22.214.171.124.76.8 Bown. D. Encyclopaedia of Herbs and their Uses. Dorling Kindersley, London. ISBN 0-7513-020-31 (1995-00-00)
? Britton. N. L. Brown. A. An Illustrated Flora of the Northern United States and Canada Dover Publications. New York. ISBN 0-486-22642-5 (1970-00-00)
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