+22 Diy Raised Garden Bed Landscape Lumber References. We use 2 x 6″ heart redwood boards and 4 x 4″ redwood for corner support. Time to start digging and create a trench.

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. Join the wooden planks together and place in the position where you want the beds to be. With a variety of building and material.



