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Space-Saving Outdoor Flowerpot Shelf

Add an economical plant shelf where you need it most outdoors.

Wooden shelf with metal brackets.

Project Overview

Skill Level


Estimated Time

A few hours

Estimated Cost


Tools & Materials


  • Miter saw (optional)
  • Drill and bit set
  • Screwdriver
  • Level


  • 2 x 4 x 96 Douglas fir board
  • 2 - 6-1/2 x 1 decorative shelf brackets, #355019
  • Clear exterior caulk and sealant
  • Olympic Elite tintable semi-transparent stain and sealant, Jatoba

Items may be Special Order in some stores. Product costs, availability, and item numbers may vary online or by market. Paint colors may vary slightly from those shown. Availability varies by market for lumber species and sizes.

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Step 1

Measure between the outside edges of the trim around the window where you want to install the shelf. Then cut the 2 x 8 board to that length and sand all of the surfaces smooth.

Good to Know

You can cut the board longer or shorter to suit the size and number of planters you’ll display. If you don’t have a suitable saw, ask a Lowe’s associate to cut the board to length.

Step 2

Apply a coat of exterior stain to the entire board (Jatoba shown) and let dry.

Step 3

Measure at least 1 inch in from an end of the board and attach a bracket with the back edge of the bracket and back edge of the board flush. Check that the bracket leg parallels the end of the board. Repeat for the other bracket.

Step 4

Center the shelf level beneath the window, and mark the bracket mounting hole locations on the siding. Drill 1/8-inch pilot holes at each mark. If necessary, install wall anchors suited to your type of siding.

Step 5

Display flowers where you can enjoy them inside and outdoors by mounting a shelf under your window. --Lowe’s Creative Ideas

Force clear caulk into each pilot hole, leaving a small amount on the surface. Then drive screws into the siding to hold the shelf in place.

Find more shelving projects and gardening tips: