And don't bother putting a layer of stones in the bottom of the container for better drainage. Freestanding planters are a great way to have flowers all over your spread of property-and to avoid that troublesome task of weeding your plants. Cut and nail in place the front trim and top edging. Construct two brackets out of 2x2. Urban gardeners, and people with limited time or energy, may garden exclusively in containers.
Decks can warp if too many pots reside on railings.
The inside edge of the top trim should be flush with the inside edge of the top frame. Miter-cut the pieces to length and nail them to the top of the assembly. Assemble the box. Butt-join the ends to the back and miter the front corner joints. Glue all joints, using water-resistant glue.