Letter Re: Preventing Raised Garden Beds from Drying Out
Mr. Rawles: The biggest drawback of raised planting beds is their greater need for water. Water leaks out and evaporates from the sides of the planting beds, as well as normal bottom drainage. If water is scarce, or you have to supply it manually, this drawback can become serious. Simple solution: when constructing the raised planting bed, place a plastic liner along the inner walls all around, sealing it with sturdy plastic tape. Do not put the plastic on the bottom of the raised bed, or you will have a mud bathtub with no drainage at all. This will keep …