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  • Donna B

    Perpetual Green Gardens - "Zone 4" magazine had a long article in their Winter 2012 edition, about the Ott-Kimm Conservatory in MT - which uses no electricity, yet through geothermal and other planning, achieves a Zone 8 for plants - he grows figs, peaches, dogwood. Greenhouse is sunk 5 feet into the ground.... I'd love to try something like this!

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