More to explore:
How to Build a Wooden Planter Box: This stripped-down window planter can be built in less than an hour, yet the simplicity of the design resists rot far better than traditional window boxes
Wooden Planter Box. I like this idea- more flexible than a traditional window box.
Window boxes #flower #box
window boxes for pots....now that's a cool idea expanded ideas: Make a base and space for drainage, and below dords and storage for out of season pots, garden hose keeper, yard hand tools, ect....