A simple row cover can save late-summer vegetables as frost threatens
Most of my summer vegetables are winding down now, the cooling temperatures serving as a cue that their mission has been nearly accomplished. But if frost threatens before the last of my tomatoes have turned red, I'll drape a sheet of sheer fabric over their supporting cages to provide some warmth. The white fabric sheets, sold as "row covers," can be used two ways: floating, which is to say draped over plants, or hooped, which means affixing them to hoops inserted into the ground. The latter method is more protective of fragile stems and foliage, as the hoops keep the fabric, however ...
