How to Build a DIY Planter Box | PINSPIRATION MOMMY
PINSPIRATION MOMMY 1
How to Build a DIY Planter Box
Free woodworking plans for building a large, 2′ x 2′ DIY wood planter box with a diamond-
shaped design in the center of each side.
• Cost: $50 (depending on wood used – redwood was used in plans below)
• Time: 1-2 days
• Difficulty: Easy
How to Build a DIY Planter Box | PINSPIRATION MOMMY
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DIY Planter Box Tools & Supplies
Drill/Driver Compound Miter Saw Kreg Pocket-Hole Jig
Kreg 2 1/2″ Exterior Pocket Hole
Screws
2 1/2″ Exterior Wood
Screw
Thompson’s Timber Oil –
Walnut
Golden Oak Wood Stain Orbit Sander Orbital Disc Sander Paper
DIY Planter Box Wood List:
Quantity Board Length
5 2×6 8′
1 2×4 8′
1 2×2 8′
1 1×4 10′
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How to Build a DIY Planter Box | PINSPIRATION MOMMY
PINSPIRATION MOMMY 3
DIY Planter Box Cut List:
Section Quantity Board Length
Front & Back Panels (top and bottom
boards)
4 2×6 24 1/2″
Left & Right Side Panels (top and
bottom boards) and Planter Box
Bottom boards
8 2×6 21 1/2″
Front & Back Middle boards (around
diamond)
8 2×6 12 1/4″ end to long end
with one end cut at 45º
Left & Right Middle boards (around
diamond)
8 2×6 10 3/4″ end to long end
with one end cut at 45º
Triangle for Diamond Shapes 8 2×6 7 3/8″ x 7 3/8″ x 10 1/4″
Front & Back Legs 4 2×4 24″
Left and Right Legs 4 2×2 24″
Top trim 4 1×4 27 3/4″ long end to long
end with each end cut at
45º
DIY Planter Box Instructions:
1. Cut the boards for the front, back, and side panels.
A. Front and Back Panels:
a. Cut four 2×6 boards to 24 1/2″ in length each
b. Cut eight 2×6 boards to 12 1/4″ from end to long end, with one end cut at 45º angle
c. Cut four triangles at 7 3/8″ x 7 3/8″ x 10 1/4″ (the shorter sides are cut at a 45º angle
How to Build a DIY Planter Box | PINSPIRATION MOMMY
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How to Build a DIY Planter Box | PINSPIRATION MOMMY
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B. Right and Left Side Panels:
a. Cut four 2×6 boards to 21 1/2″ in length each
b. Cut eight 2×6 boards to 10 3/4″ from end to long end, with one end cut at 45º angle
c. Cut four triangles at 7 3/8″ x 7 3/8″ x 10 1/4″ (the shorter sides are cut at a 45º angle
2. Drill pocket holes into all but the bottom board on each of the four sides using the picture below as a template for where to drill holes:
How to Build a DIY Planter Box | PINSPIRATION MOMMY
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3. Use wood glue and 2 1/2″ exterior pocket hole screws to assemble each side panel.
How to Build a DIY Planter Box | PINSPIRATION MOMMY
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Once all panels are assembled, you should have two 24 1/2″ wide panels and two 21 1/2″
wide panels.
How to Build a DIY Planter Box | PINSPIRATION MOMMY
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Assembled planter box side panels
4. Cut and assemble the boards for the planter box bottom.
A. Cut four 2×6 boards to 21 1/2″ in length each
B. Drill three pocket holes in three of the four boards
C. Attach the bottom boards to each other using wood glue and 2 1/2″ exterior pocket
hole screws
How to Build a DIY Planter Box | PINSPIRATION MOMMY
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5. Attach the front panel of the planter box (one of the 24 1/2″ wide panels) to the right and left panels of the planter box (the 21 1/2″ panels) using wood glue and 3″ exterior wood screws.
Predrill holes through the front panel, and attach screws through the front of the front panel
into the sides of the right and left side panels.
6. Attach the bottom panel of the planter box to the front and side panels using wood glue and 3″ exterior screws. Predrill through the front and side panels and then attach the bottom
panel with 3″ screws placed through the front and side panels into the bottom panel.
How to Build a DIY Planter Box | PINSPIRATION MOMMY
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How to Build a DIY Planter Box | PINSPIRATION MOMMY
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View of attached bottom of planter
7. Attach back panel of planter to right and left side pieces and bottom panel using wood glue and 3″ exterior wood screws.
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8. Cut the boards for the legs
A. Cut four 2×4 boards to 24″ in length each
B. Cut four 2×2 boards to 24″ in length each
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8. Attach the legs to the planter box
A. Attach the 2×2 legs to each side of the right and left panels using wood glue and 3″ exterior wood screws (predrill holes first). The edge of the legs should line up with the
edge of the planter box. (This step is easiest with the planter box upside down, then line the
top of the legs with the top of the planter and the ground)
How to Build a DIY Planter Box | PINSPIRATION MOMMY
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B. Attach the 2×4 legs to each side of the front and back panels using wood glue and 3″
exterior wood screws (predrill holes). The edge of the 2×4 should cover the edge of the 2×2
leg (only 2″ of the leg will be in contact with the 2×6 boards of the front and back panel, the
remaining 1 1/2″ will be in contact with the 2×2 leg).
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10. Cut and attach the 1×4 trim boards
A. Cut four 1×4 boards to 27 3/4″ long end to long end, with each end cut at perpendicular
45º angles.
How to Build a DIY Planter Box | PINSPIRATION MOMMY
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B. Attach the trim boards to the top of the planter using wood glue and 3″ wood screws.
How to Build a DIY Planter Box | PINSPIRATION MOMMY
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How to Build a DIY Planter Box | PINSPIRATION MOMMY
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11. Sand the planter box until smooth. moving from lower grit to higher grit sandpaper.
Planter box after sanding.
12. Stain the planter box. I used Minwax Golden Oak stain to stain the top trim pieces, the legs, and the diamond on each side of the planter. I used Thompson’s Timber Oil in Dark Walnut
to stain the remainder of the planter (same stain I used on the deck). I then coated the boards
that had been stained with the oak stain with three coats of exterior spar urethane (you could
also use a different color of the Thompson’s timber oil instead of a plain stain to avoid this
step).
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13. Move the planter to its final location and add a large plant of your choice! I planted a pygmy date palm (I love tropical plants and trees!)
Have questions about these plans? Send me an email at [email protected]
Happy Building!
mailto:[email protected]