Project Overview

Add some colour and interest to any size backyard with a tiered timber planter. It’s easy to build and you can use it to grow your favourite flowers or herbs.

Continue to step-by-step instructions
How to hammer a nail straight
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How to hammer a nail straight

If your nails keep bending when you are hammering, check the head of your hammer. It could be that the face has picked up some dirt. This causes the hammerhead to slip slightly when it hits the nail. To solve this, give the head a clean by rubbing it on some sandpaper or a bit of rough concrete.

Step by Step Instructions

1 Cut the timber
2 Measure and mark the short ends
3 Cut the short ends
4 Lay out the A-frame
5 Pre-drill the holes in the support
6 Secure the middle support
7 Secure the supports to the second leg
8 Assemble the planter box
9 Attach the base
10 Pre-drill and attach the back brace
11 Attach the planter boxes
12 Finish off the tiered timber planter
  • Step 1. Cut the timber

    To make this project easier, you can have most of the timber cut at your local Bunnings Warehouse. The cutting list is:

    150mm x 25mm Treated pine (for the boxes):

    • 1000mm x 6
    • 900mm x 3

    70 x 35mm Treated pine (for the legs):

    • 1350mm x 2
    • 1200mm x 2
    • 415mm x 2 (middle supports)
    • 630mm x 2 (bottom supports)
    • 1000mm x 1 (bottom brace)
  • Step 2. Measure and mark the short ends

    Always wear gloves when working with treated pine. While most of the timber has been pre-cut we still need to cut the short ends for the sides of the planter boxes. To do this, measure and mark the timber to 150mm. 

  • Step 3. Cut the short ends

    Use the drop saw to cut six of these 150mm ends for the planter boxes.

  • Step 4. Lay out the A-frame

    Take a length of the 1200mm timber and lay it vertically. Take a 1350mm piece of timber and align it with the top of the 1200mm and to the right, at roughly a 30-degree angle. Measure and mark 510mm and 935mm from the top of the 120mm piece of timber. Lay the middle support at the 510mm mark and the bottom support at the 935mm mark. Make sure the supports are square. Mark where you can drill to join the supports to the frame.

  • Step 5. Pre-drill the holes in the support

    Once you have the supports square,  mark out the holes. Next, put on your dust mask and pre-drill two holes at both ends of the support using the 3mm drill bit
  • Step 6. Secure the middle support

    Put the middle support on the 1200mm timber at the 510mm mark. Use the drill and a 50mm pine screw to secure the support. Check that the supports are square. Once they are square, attach the supports with the drill and pine screws to the 1200mm piece of timber.

  • Step 7. Secure the supports to the second leg

    Use the square to make sure that the 1200mm timber and 1350mm timber are still square. Once they are, secure the supports to the 1350mm with the pine screws. Repeat the above steps to build the second A-frame, making sure it is a mirror image of the first one.

  • Step 8. Assemble the planter box

    Take a 1m piece of the 150mm x 25mm and stand it on the bench on its narrow edge. Take a 150mm end, place it behind, and flush with the 1m piece of timber. Secure the 150mm end to the 1m piece of timber with a nail gun. Repeat this at the other end. Place the second 1m piece of timber next to 150mm ends. Make sure it’s flush and secure it with the nail gun. Repeat this to make the two other planter boxes

  • Step 9. Attach the base

    With the planter box on the bench, take a 900mm piece of timber and place it inside the planter box. The base is shorter than the length of the box so that water drains away at either end. Tap the base so that it’s flush with the bottom of the planter. Turn the planter on its side. Use the nail gun to secure the base to the sides of the planter box. Repeat this to attach the two other bases to the planter boxes.

  • Step 10. Pre-drill and attach the back brace

    Use the 3mm drill bit to pre-drill two holes at both ends of the 1000mm timber, which is the back brace. Attach the back brace to the A-frames using the 50mm pine screws

  • Step 11. Attach the planter boxes

    Place a planter box on the bottom supports on the A-frames, making sure it’s square. Pre-drill two holes in either side of the planter box with the 3mm drill bit. Then use the 50mm pine screws to secure the planter box to the A-frames. Repeat this process to attach the two other planter boxes.

  • Step 12. Finish off the tiered timber planter

    Depending on the look you want you can paint or stain your timber planter. Once it’s dry, you can move it into place and fill it with your favourite flowers and herbs. 

Tools and Materials

Tools

  • Combination square
  • Drill
  • 3mm drill bit
  • Drop saw
  • Dust mask
  • Earmuffs or earplugs
  • Gardening gloves
  • Hammer
  • Measuring tape
  • Nail gun
  • Pencil
  • Phillips head bit
  • Safety glasses with side shields
  • Weed mat

Materials

  • 150mm x 25mm x 1000mm treated pine x 6
  • 150mm x 25mm x 900 treated pine x 3
  • 150mm x 25mm x 150mm treated pine x 6
  • 70mm x 35mm x 1350mm treated pine x 2
  • 70mm x 35mm x 1200mm treated pine x 2
  • 70mm x 35mm x 415mm treated pine x 2
  • 70mm x 35mm x 630mm treated pine x 2
  • 50mm treated pine screws
  • Disposable gloves
  • Nails
  • Paint or stain (optional)
  • Potting mix
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