Tansy oil and tea have also been used to bring on the menstruation, as diaphoretics in fevers, and as a digestive tonic. Tansy has also been suggested as an abortifacient, but any internal use should be discouraged because of potential toxicity even in moderate doses.
The essential oil contains thujone, with varying amounts of borneol and camphor. Tansy also contains tanacetin - a toxic bitter principle.
General Herb Information
Tansy is a hardy perennial native to Europe and Asia and is naturalized in many parts of North America. It grows to four feet tall and has coarsely divided leaves three to five inches long. The leaves are deeply incised and toothed. The quarter-inch diameter, button-like, yellow flower heads appear from late July to September in flat clusters. Tansy has a creeping rhizome that can spread and take over a garden border if not kept in check. T. vulgare var crispum has more finely divided leaves and luxuriant foliage.
Tansy is grown from seed, or better, from spring or fall root divisions. Any piece of root with a bud will produce a new plant. Seeds can be sown indoors in early spring. Give young plants twelve to eighteen inch spacings. Plants may self-sow.
Tansy is not particular about soil conditions as long as there is good drainage. A moist, rich soil makes for lusher growth. Tansy tolerates a pH range between 5 and 7. An acre may produce 1500 to 2000 pounds of dried leaves, but any grower would be hard-put to sell a ton of tansy leaves.
The plant is harvested and spread or hung to dry when in full bloom.
Tansy is said to be of some utility as a moth or ant repellant, but this has never been verified scientifically.
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Take 1 capsule, 3 times daily, with meals.
Do not use tansy for more than ten days continuously and do not exceed the doses given above. It is recommended that parents consult with an herbalist, a reliable medical herbal guide, or a health professional familiar with herbal therapeutics before administering tansy (or any other herb or medicine) to a child.
Do not take if you are, or think that you may be, pregnant.
* These statements have not been evaluated by the Food and Drug Administration (FDA). Products are intended to support general well being and are not intended to treat, diagnose, mitigate, prevent, or cure any condition or disease. If conditions persist, please seek advice from your medical doctor. Information provided at ZooScape.com relies partly on Traditional Uses. The essence of the current American rule on Traditional Uses is, as stated by FTC, "Claims based on historical or traditional use should be substantiated by confirming scientific evidence, or should be presented in such a way that consumers understand that the sole basis for the claim is a history of use of the product for a particular purpose."