Awasome Filler For Raised Garden Bed Ideas. Before you fill your bed, lay down a 1/4 inch to 1/2 inch of gravel underneath. Find one of these by searching on the internet.
Place those measurements into an online soil volume calculator. Add logs and branches start with larger logs and branches as the bottom layer, followed by smaller twigs and leaves. Web how much soil do i need to fill my raised bed?
