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Raised Bed Garden Construction

posted Jan 15, 2013, 9:57 AM by Craig Hamilton   [ updated Jan 15, 2013, 10:00 AM ]
Last weekend, Craig constructed several raised garden bed frames. Last year we got a late start on planting (end of May) because we had just moved in. It was our first time planting a garden and to say the least, it was a mixed bag of success. Most things didn't come up, but we had a lot of zucchini, squash, tomatos, cucumbers, and a few green beens. This year, we are hoping for big gains.
All of our smaller frames, 13 of them, were constructed today for our raised beds this spring. The 40-foot beds that we have to build in place had to be put off because the ground was too wet. The depth of our frames is 7 1/2" (we used 2x8 lumber), except for 1 which is 11 1/2" (2x12 lumber), which will be used as root crops for potatoes, carrots, onions, etc.
Because of the cost of pressure treated lumber and the risk of chemicals leaching into the soil, we used untreated dimensional lumber. We have not yet figured out how we're going to prolong the lives of these frames - most likely a combination of moisture barriers (plastic), and some sort of water sealant for the surfaces that do not touch the soil. We also have to figure out where to get our soil.