How to Make a Garden Planter Box

Garden Planter Box
Using a garden planter or two is an excellent and thrifty way to update your outdoor space. Whether you struggle for space or soil type, these boxes are a neat and decorative alternative to flower beds.

To make the planter you will need:

  • Wooden planks, 6″ wide cut into 13 lengths of 2ft
  • 4x 21″ wooden battens
  • Galvanized screws or nails
  • Black plastic for lining
  • Latex paint or some kind of sealant for the wood

Once your wood is cut to length, paint it to seal it from water and rot. A simple sealant, varnish or oil will do, but painted boxes can look very pretty too! If you do decide to paint your planter, make sure you use a product which is suitable for outdoors.

Next, assemble the 2ft-long boards to make two planter sides of the same height. Nail or screw the boards to two of the battens which should be 3″ longer than the height of the planter sides.

Assemble Screws To Batten

Once you have assembled the first two sides, nail or screw the remaining two sides to form a rectangular box. Make sure you create right-angles at each corner, this will make your final two sides slightly shorter than the first two.

Nail Both Sides To Garden Planter Box

Turn the box up so the batten feet are pointing upwards. Take your remaining length of wood and fit it inside the box frame, nailing or screwing it from the outside. This will serve as a secure base whilst leaving space at each side for drainage.

Garden Planter Box - Fix Planks Together

Using a staple gun, line the inside of your planter with black plastic and with sharp scissors poke some small holes for drainage along each side of the base plank.

Line With Black Plastic - Garden Planter Box

All that’s left to do is to fill your planter with topsoil and choose a sunny place on your decking to show it off!


Timber and Building Merchants

George Hill is a leading independent timber merchant and building supplies provider in the North West, with branches in Oldham, Manchester, Bolton and Blackburn. Founded in 1919 we’re family run, and have been for 98 years.

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