Pennyroyal (普列薄荷)

Official Name: Mentha pulegium

General description:Pennyroyal is an herbal extract or oil derived from leaves of the plant in the mint genus (Mentha pulegium) that was used in the past as an insect repellent and an abortifacient. When taken by mouth, pennyroyal oil is highly toxic and has been linked to several instances of toxic liver injury and death.

How to grow: Sow the seed on the surface of the soil and mist the bed to moisten it. Keep it moist and germination should occur in two weeks. Divide established plants every three years in early spring for the best form and production. Pennyroyal is an easy to grow herb.

Benefits: Pennyroyal is applied to the skin to kill germs, keep insects away, and treat skin diseases. It is also used topically for gout, venomous bites, and mouth sores; and as a flea-killing bath. In foods, pennyroyal is used for flavoring.

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