On 3 Jul 2005 09:40:35 -0700, knowhair wrote:
I have English Ivy growing on a hillside in my back yard.
I do need something there to prevent erosion of the soil.

That's probably not what you want if you're concerned about erosion.
http://thornhenge.org/IvyIsEvil/main...IvyIsEvil.html
http://www.noivyleague.com/Pages/ivy_slopes.html

A mixture of species, some deep rooted, some less so, generally is much more
efficacious.