It also includes more obscure herbs, like mugwort, rue, pennyroyal, wild carrot, blue cohosh, tansy, and savin.
en.wikipedia.org Sachets with dried moth-repellent herbs like wormwood, southernwood, costmary, lavender, pennyroyal, lemon verbena rosemary, rue, sage and tansy are called moth bags.
en.wikipedia.org Tansy is also used as a companion plant, especially with cucurbits like cucumbers and squash, or with roses or various berries.
en.wikipedia.org The less popular herb tansy has insecticidal properties, and lemon, lemon verbena and citrosa geraniums also work.
www.ctvnews.ca The common name derives from the tansy plant on which they often feed as both larvae and adults.
en.wikipedia.org