Row covers

Oh, I feel for you..that's terrible. A good way to protect your plants from the spray would be through the use of row covers:

Here's a good overview..

http://www.farm-garden.com/feature/row_cover_technology

Unfortunately, those nasty chemicals get into the groundwater as well. There was just an interesting post on cleaning up the soil... from white tiger

//www.curezone.org/forums/fm.asp?i=742046#i

You are certainly a dear to be willing to investigate other forms of chemical control for her. Unfortunately, that's the way that most people look at landscaping..it has to be neat & tidy, no weeds and green. I'd be willing to bet that they don't actually use that green expanse for anything. Am I right? Just for show...

Is there another good location for your garden, as far away from that property line as possible? :)