A pleasant set of flower boxes full of colorful and lush flowers can brighten virtually any area of the garden, whether they are hanging below a window or just resting on the floor of a deck or patio. To spruce up your wooden flower boxes even more, you can decorate them with painted motifs, stenciling or rubber stamping. For best results, plan to decorate flower boxes before you add soil or plants.
Line the inside of your flower box with a plastic garbage bag all the way up to the rim without going over the upper edge of the box. Use a staple gun or push pins to hold the bag in place against the wood.
Spray a thorough coat of primer over the entire outside of the box. Spray a second coat if needed if the wood of the box is still showing through. Allow the primer to dry for one to two hours.
Apply a coat of spray paint in your preferred solid color to cover the primer. This color should be your background color for any other decoration you want. If you want your flower boxes to only be one color, apply this color and skip ahead to Step 6.
Use a pencil to lightly draw the outline of any items you want to paint such as insects, flowers, birds, butterflies or any other motifs. Leave open any spaces you want to stencil or rubber stamp.
Paint on your motifs, following the pencil lines as a guide. Add decorative rubber stamping or stenciling as desired. Your stamps and stencils can be of images or words you want to incorporate onto your flower box.
Allow your paint to dry for two to four hours or until it doesn’t feel tacky. Coat the entire outside in a clear coat to seal your paint and protect it from outdoor elements. Let the clear coat dry overnight before removing the plastic bag from the inside of the box and planting as desired.