How To Build A Window Box Planter. This works as a filter to project the exterior of your home from the window box soil. Attach corners of front board to bottom board.
Next you ll put the 3 pieces you have together. We designed our planter to hold 6 nursery pots so the interior of the box measures 6 wide. Next install wooden brackets and make them hold the window planter box as you can see here this one comes with enchanting white appeal that matches the color of the window fame.
Hold 2 of the 3 boards together.
The depth and height should be large enough. Next line the bottom of the planter with landscaping cloth. On our backyard shed the window is 24 wide. Fill the bottom of the window box planter with plastic water bottles.