Covering small (less than 4 inches tall) potato plants with a layer of soil will not harm them, as long as the soil is removed as soon as the danger of a frost has passed. For larger plants, use a clear plastic covering. Reply
Covering small (less than 4 inches tall) potato plants with a layer of soil will not harm them, as long as the soil is removed as soon as the danger of a frost has passed. For larger plants, use a clear plastic covering.