Here's one I've never heard before:
6 Tips For Removing Poison Ivy Plants
6. Another technique to clear the area of poison ivy is by planting grass seed. Ivy will not grow where there is a lawn. I tried this at my cottage and it worked. The only downside is that it takes time, but, once you have grass, you won’t have poison ivy.
I've gotta say that's not correct. We've had a really wet, cool spring and it was growing right out in the yard of a place I own. It was so wet, you couldn't keep it mowed weekly. Its dried out some now and I got it controlled after mowing it twice.
