Invasive Species in Hamilton

The spread of invasive species in Ontario affects forests, rivers and lakes. They reduce the amount of trees and wildlife in urban forests by competing with other trees and using up valuable resources such as water and space. Here are some invasive species of trees and shrubs you shouldn’t plant:

• Scots Pine

• European Black Alder

• Giant Hogweed

• Phragmites

• Buckthorn'

• Black Locust

• Norway Maple

Only native or non-invasive plants should be planted in Ontario.

Norway Maple - Invasive species