Tarragon oil has an anise like aroma similar to the methyl chavicol chemo type of basil. For this reason it blends well with fennel, anise, basil, and other oils of estragole and anethole type aroma. The aroma is spicy, green, and sweet. Many believe Tarragon to have powerful anti-spasmodic effects which could be helpful in massage blends for muscular spasms, dysmenorrhoea, amenorrhoea, and menopause.