+22 Does A Raised Garden Bed Need A Bottom 2023. Measure the bed up to work out the volume you need, length x width x depth will give you cubic metres. Web adding materials or a barrier at the bottom of a raised garden bed is not a requirement.

Despite lining the bottom of a raised bed, the raised bed itself should not have an enclosed bottom. The best way to ensure proper drainage is to use materials like cardboard, newspaper, wood chips, compost, rocks, or fabric sheeting at the bottom of the bed before adding any soil material. There is a multitude of options for what to put on the bottom of your raised garden bed to avoid poor drainage, including pea gravel, weed blocking plastic,.





