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Easy Post Cap Planter

Give succulents a fun, easy-to-make place to grow by turning two post caps into a simple planter.

Small planter made using post caps.

Project Overview

Skill Level


Estimated Time

A few hours

Estimated Cost


Tools & Materials


  • Pliers
  • Screwdriver


  • 4-in composite post cap, #40210
  • 6-in composite post cap, #102176
  • #8-32 x 1/2-in truss-head machine screw
  • #8 nut
  • Miracle-Gro Cactus, Palm and Citrus Potting Mix, 8 quarts, #248406
  • Valspar paint, Simply Seafoam, #5008-7C

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

Apply two coats of paint (Simply Seafoam shown) to the inside and outside of both caps and let dry overnight.

Step 2

Place the 6-inch post cap on the 4-inch cap with the small top edges together. Insert a #8-32 x 1/2-inch machine screw through the aligned holes from the top and hold it in place with the nut underneath. Tighten the screw until the caps are firmly connected.

Step 3

The shallow inside of an upside-down post cap is perfect place to grow small succulents. --Lowe’s Creative Ideas

Fill the 6-inch cap with Cactus, Palm, and Citrus Potting Mix and add succulent plants.