It also includes more obscure herbs, like mugwort, rue, pennyroyal, wild carrot, blue cohosh, tansy, and savin.
en.wikipedia.org Natural repellents include catnip, chives, garlic, and tansy, as well as the remains of dead beetles, but these methods have limited effectiveness.
en.wikipedia.org They also fight timothy in their pastures and struggle with a variety of noxious weeds such as scentless chamomile, caraway, tansy, thistles and leafy spurge.
www.producer.com Tansy is also used as a companion plant, especially with cucurbits like cucumbers and squash, or with roses or various berries.
en.wikipedia.org And both bee species performed well on wild mustard pollen, while neither managed to develop on tansy pollen.
esciencenews.com