The insides slope down into the center to form an upside down. Web you can get hangers to use on siding that just slip between boards, no drilling required. Looks nice but i think.
Diy waist high planter box
Diy farmhouse planter box
Diy indoor planter box
How To Build A Large DIY Planter Box
Great spot to hide a body too.
Using a waterproofing caulk and waterproofing sealant on.
Web here's how i built this giant planter box for a friend.Web for the best results, use wood planter boxes made from cedar or redwood lumber, which are naturally water resistant.