Old carpet, plastic , it's a tough one. Bermuda is so nasty down there. You can always scape the top layer of soil(bermuda) and I will come and get it. Where we live it wouldn't be a problem,( i been throwing bermuda seed all over the place) anyways in the winter we cover our garden to keep the weeds down. Save us a full weekend of weed pulling. But, do try the old carpet trick, it works great even inbetween rolls of plants.

Old carpet is good, but bermuda grass will actually grow through it. Last year I had between all my rows "carpeted", and the blasted stuff came right up over it. When I pulled the carpet up last fall I had to get my sons to help, the bermuda grass had literally pinned it to the ground!

Best thing to do to kill the stuff is a substance that the grass can't grow through... Tamara's pictures with the black stuff were great, that would kill anything. I've also used tin sheets (the kind they used to make tin roofs out of), great big sheets of cardboard (these are great, plus they enrich the soil as they degrade).

Good luck, that stuff is insidious!

Casey