How to Build a Low-cost Greenhouse With Pine Poles

A greenhouse can be a reliable source of fresh winter food, and this low-cost greenhouse made with pine poles is a great DIY option.



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The transparent roof should be as nearly normal (at right anges) to the sun's rays as possible to maximize light transmission and minimize reflection.
MOTHER EARTH NEWS EDITORS
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The knobcone pines for the structure came form the far ridge in this photo.
CHRISTINE AND WILSON GODDARD
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The Goddards built their lowcost greenhouse on a south-facing slope to maximize its solar gain.
PHOTO: CHRISTINE AND WILSON GODDARD
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On extremely cold days, lettuce has frozen stiff in the greenhouse, then thawed and kept on growing!
CHRISTINE AND WILSON GODDARD
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The growing beds were built into the ground.
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Each bed was built by setting two half logs on edge — one atop the other — and holding them in place with wooden stakes. The "steps" thus created were filled in with a mixture of soil, compost and goat manure, and small pathways were left to allow close-up tending of the topmost and lowest terraces.
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