The Ortho 475905 is the best for controlling actively growing ... It contains triclopyr, an active ingredient that has proven effective in killing poison ivy and a variety of other tough woody vines.

English ivy - not to be confused with Boston ivy or poison ivy, both of which come from North America - can also cause damage to fences and walls due to its ability to find its way into any cracks ...

Here, experts offer their best tips for killing poison ivy naturally to protect your yard—and health. Related: 6 ...