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Outdoor

Over Railing DIY Planter Boxes

These DIY planter boxes are the perfect entry level project and can be made with very basic materials from the home center!

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Difficulty
Easy
Time
3.3–6 hours
Cost
$

About this build

These DIY planter boxes are the perfect entry level project and can be made with very basic materials from the home center!

Tools

Essential

  • Brad Nailer
  • Miter Saw
  • Pocket Hole Jig

Materials

ItemQty
Cedar Dog-Ear Fence Picket, 19/32 in. D x 5-1/2 in. W x 6 ft. H5 board
1" Pocket Hole Screws1 each
1" Brad Nails1 each

Overall cost: $. Lumber prices vary by region, species, and season, so we give a band rather than a figure we would only be pretending to know.

Cut list

PartQtyT × W × L
Side Supports125/8" × 3" × 5"
Bottom Supports65/8" × 5" × 5"
Ends45/8" × 4" × 5"
Exterior Pieces65/8" × 5" × 36"

What to buy

Buy 5 boards at 8 ft.

5/8" × 5"

3 boards

5/8" × 4"

1 board

5/8" × 3"

1 board

Assumes 8 ft stock, a 1/8" saw kerf, and buying each part at its own width. Change the board size or kerf on the full board plan →

Start building →

Instructions

  1. 1Cut Parts

    Using the cut list provided, cut down all of the pieces needs for the planters

    Tip: Note Please note that these plans are outlined to make TWO planter boxes

    Over Railing DIY Planter Boxes — step photo 4
  2. 2Attach Bottom Supports

    Using brad nails or screws, attach the bottom supports to one of the exterior pieces

    Over Railing DIY Planter Boxes — step photo 5
  3. 3Attach Sides

    Using brad nails or pocket hole screws, attach the sides to the bottom support and exterior piece

    Over Railing DIY Planter Boxes — step photo 6
  4. 4Attach 1 Exterior Side

    Using brad nails or pocket hole screws, attach one exterior side to the bottom support and bottom exterior piece

    Over Railing DIY Planter Boxes — step photo 7
  5. 5Attach Side Supports

    Using brad nails or pocket hole screws, attach the sides to the side supports to the exterior pieces

    Over Railing DIY Planter Boxes — step photo 8
  6. 6Attach Other Side

    Using brad nails or pocket hole screws, attach the last exterior piece to close in the side

    Over Railing DIY Planter Boxes — step photo 9
  7. 7Attach Landscape Fabric

    Using staples, attach the landscape fabric to prevent all of the soil from being washed away during watering and rain

    Over Railing DIY Planter Boxes — step photo 10
  8. 8Attach Hardware

    Drill out holes in the bottom of the planter box to accept the hardware to attach to the railing

    Over Railing DIY Planter Boxes — step photo 11
  9. 9Attach to Railing

    Using the hardware from the previous step, attach the planter boxes over the railing

    Over Railing DIY Planter Boxes — step photo 12
  10. 10Start Gardening!

    Your planter boxes are now done and ready for you to plant anything you want!

    Over Railing DIY Planter Boxes

Tags

  • Outdoor Living
  • Beginner

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