Ontario has 441 known invasive plant species — the most of all the provinces. Invasive plants can reduce crop yield and increase the use of herbicides for farmers, increasing costs and reducing crop ...

Poison ivy, oak, and sumac contain an oil called urushiol that causes an allergic skin rash. These plants can be identified by their leaf structure, though some non-toxic plants look similar. To avoid ...

Some methods work better than others to get rid of poison ivy permanently. Fast-growing poison ivy vines can grow 20 feet each season along fence lines and in landscaped beds. Several methods work to ...

We love it when a new plant takes off in our garden, and vines are especially appealing for providing vertical interest, rapid coverage, and sometimes fragrant flowers, too. However, many non-native ...

Fortunately, most local areas received significant rainfall over the past week—certainly a welcome development. That said, I distinctly recall several days filled with complaints (mostly from myself) ...

English ivy has invaded Arlington. The ivy, a nonnative evergreen climbing vine, has spread from the untended properties of local homeowners to nearby parks, wrapping itself around trees and ...

English ivy can weaken and in some cases kill trees. (Photo courtesy of the Washington State Noxious Weed Control Board) It will soon be illegal in Washington to buy or sell English ivy, the ...

It will soon be illegal in Washington to buy or sell English ivy, the fast-growing, climbing vine that can weaken and kill trees and overtake native plants. The Washington State Department of ...

It will soon be illegal in Washington to buy or sell English ivy, the fast-growing, climbing vine that can weaken and kill trees and overtake native plants. The Washington State Department of ...