Herbs should be grown in soil that's at least 4 to 5 inches deep, says the National Gardening Association. We built our planter from pressure-treated lumber: four deck posts and some 1x6s and 2x2 balusters. Tom cut the parts on a miter saw, but you can use a portable circular saw or even a handsaw instead. The bottom of the planter consists of a couple of floorboards to support a sturdy liner that holds the soil. We used a plastic utility tub for this purpose and simply sized the planter to enclose it.

Herb-Garden Planter Cut List

3¼-inch-square corner posts: 4 @ 36 inches
1x6 for short sides: 4 @ 22½ inches
1x6 for long sides: 4 @ 34 inches
1x6 floorboards: 2 cut to fit (Ours were 25 inches.)
2x2 cleats for long sides: 2 @ 31¼ inches
2x2 for long sides: 4 @ 7¼ inches
2x2 for short sides and corner blocks: 10 @ 8½ inches

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    Tools List

    • miter saw
      Miter saw
    • drill
    • one-and-a-half inch paintbrush
      Brush for stain

    Shopping List

    All lumber is pressure-treated.

    3¼-inch-square deck posts. Get four.

    1x6. Get four 8-foot boards.

    2x2 balusters. Get five 42-inch balusters.

    2-inch deck screws

    2½-inch deck screwsDeck stain

    Two or more double hooks for the ends, plus fasteners

    A plastic utility tub at least 6 inches deep.
    (Ours was 24 by 36 by 8.)


    Potting soil