Row covers are made of polypropylene which lets light and rain and irrigation through to reach the plants and soil. It also traps heat. However, it will protect plants from frost damage down to 28 degrees F. Make sure you get the regular all-purpose row covers, not summerweight which doesn’t protect from frosts.
Row covers are made of polypropylene which lets light and rain and irrigation through to reach the plants and soil. It also traps heat. However, it will protect plants from frost damage down to 28 degrees F. Make sure you get the regular all-purpose row covers, not summerweight which doesn’t protect from frosts.