tarragon

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tarragon

Herbal medicine
A perennial herb that contains essential oils and used primarily as a seasoning. Tarragon was formerly used as a diuretic, appetite stimulant, and emmenagogue; it is little used by modern herbologists.
 
Toxicity
Tarragon’s oil may be carcinogenic.
References in periodicals archive ?
By the way, French tarragon is actually a misnomer since it, too, is native to Russia.
With basil, French tarragon, and parsley, remove flower heads regularly so the leaves retain their best flavor.
QI HAVE planted some French tarragon which has done very well.
If you want to grow your own, then make sure you get a French tarragon plant because there is a Russian variety which is not nearly as flavoursome.
French tarragon, which is preferable though harder to cultivate; and Russian tarragon, which grows more easily from seed but has a more pungent flavour.
You may be able to feel the difference: rub the leaves lightly between thumb and forefinger; French tarragon feels silky, while Russian leaves are rougher because of thicker leaf hairs.
French tarragon needs some protection and can be grown in a cold greenhouse, preferably in the soil where it can spread.