Dress up your deck or porch with this DIY wooden railing planter.

This one is made with two DIY window boxes.

In just a few hours, you’ll have instant curb appeal!

wood porch planter box with various flowers and hanging plants

Credit: Brie Passano

Step 1: Build Window Boxes

Start by building two window boxesbased on our how-to instructions.

Sand and stain as desired before making the rest of the railing planter.

Drill two or three 3/8-inch drainage holes in the bottom of each box.

add cleat to back of railing planter box

Credit: Dera Burreson

Step 2: Measure and Cut

Measure the railing width and baluster width.

Board sizes will differ according to your porch railing.

Cut all pieces to lengthusing a circular saw.

secure mailbox frame cap to top

Credit: Dera Burreson

The 1 x 4-inch board should be 1 inch longer than the length of the planters.

Cut two side braces from the 1/2 x 1-1/2-inch cedar board.

Side braces should be cut at a 15-degree angle on both ends to match up with the window boxes.

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Credit: Dera Burreson

Use it to cut two boards that are the same length as the planters.

Add a brace to each planter’s back and bottom edge using wood screws.

see to it all edges are aligned.

inserting screw with electric drill for wood box planter

Pre-drill all holes before screwing them together; do not secure with glue.

Align the angled side to the angled bottom edge of the window box.

Step 6: Install on Railing

Head to the installation site with a helper.

using electric drill to fasten porch wood planter

Position the second window box on the other side.

Attach the second window box to the side and top braces.