Saturday, May 14, 2022

Common Tansy

Common Tansy
Tanacetum vulgare

If you plant Common Tansy in your herb garden, be prepared to find it growing everywhere else.  It's a cool looking plant, but it will invade all corners of your property.

This is another of those plants that were brought over from Europe long ago, then escaped from the gardens and have been a problem ever since.  In the past, it was used as an herbal remedy for about everything, but is now known to be toxic.

Many websites tout is as an herbal insect repellent, particularly mosquitos, but also ants, spiders and even mice.  I've not tried it for any of these things, but I do know that the flowers are very attractive to insects.  Perhaps the leaves are toxic to insects, but the flowers are dependent on them for pollination.

Flowers have no petals!

Common European Greenbottle Fly

European Corn Borer Moth

Yellow-collared Scape Moth

 Ligated Furrow Bee

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