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Making a Raised Bed
Making a 4'x16' Raised Bed
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Joe Seals
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Computer Drawing: Joe Seals
This plan is for a 4-foot-wide by 16-foot-long bed.
Lumber:
Four - 2" x 12" x 8' (sides)
Two - 2" x 12" x 4' (ends)
Twelve - 4" x 4" x 24" (posts)
Two - 2" x 12" x 8" (tie braces)
Twenty-four - 6" x 5/16" hex-head bolts
Eight - 8" x 5/16" hex-head bolts
Thirty-two - 5/16" washers & nuts
Construction Tips:
Before construction: Have lumber pre-cut to size by lumberyard.
Dig out hole approx. 5' x 17' x 12" deep.
Build box in halves--upside down. (They will be tied together afterwards when moved into place.
When drilling holes for bolts on end posts, make sure they don't cross/intersect.
Double center post bolts are longer, to allow for the tie lumber thickness.
It requires several people to carry first half and flip it into the hole. Set so sides are at grade level.
Move in the second half per above and bolt through the ties, to complete the box.
Level the box, fill in the post hole areas with soil, and then tamp until firm.
Fill beds with a good planting mix (1/3 compost, 2/3 native soil).
Screed until roughly level.
Sprinkle the beds daily for a couple weeks, to allow the soil to settle.
Fill in low spots as needed.
Weed, if necessary. Then plant.
Tips
Generally, beds are best placed so they’re aligned on the north-south axis.
Redwood or cedar are best for long-lasting planters.
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Creating a raised bed for your vegetable garden provides your veggies with a wonderful growing environment. Learn the basics of this great growing system.
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