How to Make an Inexpensive Greenhouse for Your Raised Bed

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Start with transparent plastic sheets like a painting dropcloth.

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It doesn't have to be completely clear to work.

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Next use two lengths of PVC pipe that are long enough to bow upward to your desired height.

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The PVC needs to be flexible, so I used 1/2 ".

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Fit one end of the pipe firmly inside one corner of your raised bed.

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Then bend the pipe toward the opposite diagonal corner of the bed & fit it firmly in.

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This should be the result.

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Repeat with the second PVC pipe so that your finished product looks like this.

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Use a zip tie to connect the two pipes at the top of the dome shape.

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I have a 4'x4' bed, so I cut my plastic sheeting in half & then in 4'5" sections. Place each section on one side of the bed & secure with binder clips/clamps to the PVC pipe.

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Then staple the bottom of the sheeting to the bed. You may need to roll the plastic at the top to get a tighter fit. Repeat for all sections, remembering to leave one panel free @ the bottom for entry

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