Valerian’s potential invasiveness can be controlled, allowing you to enjoy its benefits without worry. Tansy (Tanacetum ...

Common tansy is native to Europe, and was introduced to North America in the 1600s as a horticultural and medicinal plant. Common tansy has yellow, button-like flowers and can grow to up to 1.5 metres ...

They take their name from their main food source of tansy, a perennial herb, on which which they depend ... of years as Victorian beetle enthusiasts used to make special trips to Clifton Ings ...

Common tansy is an invasive species. It is on the Control noxious weed list meaning you must prevent the spread of this plant. Common tansy should be reported. The Minnesota Department of Natural ...