Sightings of the invasive wild parsnip plant have been increasing across southeastern Ontario, including fields of the yellow-flowered plant across Durham Region. Also known a poison parsnip, it is a ...

The City of Oshawa is warning people to stay away from wild parsnip and cow parsnip when at local parks and wild areas in the city. The wildflowers can be found along trails and along the edges of ...

The city is finally getting serious about a proliferation of dangerous cow parsnip near paths and trails at a busy park along the Scarborough Bluffs. On June 18, I reported on a huge increase in cow ...

Watch your step when straying off the path in swampy parts of city parks. You might brush up against cow parsnip, and wish you hadn’t. My daily COVID-busting trudges along the Scarborough Bluffs take ...

Cow parsnip is known in our field guides as Heracleum lanatum, although it sometimes has other names. The flowers are typically displayed in big, flattish inflorescences called “umbels,” each umbel ...