The Best Drilling Holes In Raised Garden Bed 2023. You want to ensure that the timber has not been treated with cca as the nasty chemicals used for this can leach into the soil. Leave a gap of between 50 to 100mm between the top of the support posts and the top of the garden bed.

Web how to build a raised garden bed. Web dig the hole for the support posts at either side of your raised garden bed. How much drainage does a raised bed need?
