On 1 Jul 2006 14:28:15 -0700, Marie wrote:
Hello,

I have a nice Floratam yard, but am having problems keeping my
neighbor's weeds from drifting onto it. The weed killers we buy in
Florida do little to prevent its expansion.

Mow correctly and keep your lawn growing well. Weed seeds don't germinate
unless there's an opening for them. "Canopy closure" is one of the
most basic and effective methods of weed control.