Invasive Species

You may be surprised to learn how common some of the most aggressive and impactful invasive plants are – they might even be in your own yard or garden! Species such as tree of heaven, common buckthorn and Japanese knotweed are thriving across Southern Ontario, both in disturbed or neglected spaces and as deliberate plantings from years past. Read on to learn why their spread is concerning, and which native plants can easily replace them on your property.

Uh-oh! It looks like your trees may be in for some not-so-friendly visitors this year. We’re highlighting three invasive threats you should watch out for, how they impact trees, the signs and symptoms to spot and what you can do to help manage them.

Have you noticed a small tree or shrub taking over your yard, forming dense thickets and crowding out native plants? It could be common buckthorn, an invasive species causing significant ecological damage in Ontario. Read on to learn how to identify, manage and prevent the spread of this threatening plant.

It’s that time of year again when uninvited Japanese beetles make their appearance. Learn how to spot this invasive beetle in your neighbourhood and discover the recommended management techniques for reducing their impact on your trees, shrubs and other plants this summer.

A silent invasion of worms could be happening in your backyard right under your nose. These invaders, known as jumping worms, are rapidly spreading across North America. They may look harmless, but their presence can have devastating effects on your soil and garden. Find out more about how to identify and manage these destructive pests.