Downtown Roof Monster

rooftop poison ivy

Here is a great example of poison ivy growing in a city and also coming over a rooftop. Looks like this vine started behind a wall, climbed up, found sunlight, exploded with growht in all directions, and sent out enough berries to feed a flock of birds. 

This is in a small upstate NY town, right on the main street, a popular street for visitors.

Unchecked, the vine would eventually cover both sides of the brick building, climbing higher and higher.

If the place where the vine enters the ground was accessible, it would be easy to cut it off at the base, then let it die and drag it down. 

Of course, ciutting a vine this thick will unleash gobs of sap, all laden with the urushiol oil. And tearing the vine down would release yet more oil.