Western red cedar was used to construct this window flower box project in one day. The naturally weather- and insect-resistant qualities of western red cedar wood make it an ideal choice for outdoor use. Download PDF Plans
Step 4: Drill pilot holes. Use a tapered countersinking drill bit to drill pilot holes into the box sides and cross braces. Drill two evenly spaced holes for each side of each cross brace. Drill one pilot hole for each screw.