The following plan is for a potting bench that calls for cedar wood. Cedar is terrific since it is naturally resistant to the elements. It isn’t going to hold up like a pressure treated wood, but western red cedar doesn’t have all of the chemicals associated with that product. When shopping for cedar, you will probably have to call a building supply company. I prefer to use 5/4 radius edge decking for my outdoor cedar projects. It is sturdy and abundant.
On to the garden potting bench. Notice the nice design on this unit. It has a grate that acts like a flat surface and will also allow your material to be brushed through. A nice concept.