Use clear polyethylene, cover the sides with dirt so no air gets under, leave for about 6 weeks and it should sterilize the ground down about 6 inches. The idea behind leaving that long is it kills the surface greenery then gives the buried seeds and roots a chance to sprout and then kills them, etc. You get a vacation? Wow! Wish I did, I would dearly love to go someplace other than SW LA for a few days. George lneuru wrote: > > of weeds, that is. What does one use to solarize a patch of ground, black > sheet plastic? How long is the ground to be covered, roughly? We are > thinking of doing in some weeds while on vacation. > > Lucinda