Thinking of getting a greenhouse or cold frame. Advice needed please

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Cactusgirl
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Re: Thinking of getting a greenhouse or cold frame. Advice needed please

Post by Cactusgirl »

I have a 6mx2m greenhouse and the cost to heat the whole area would be astronomical. So last winter I squeezed all my plants (except Melocactus, anything blue in colour and anything really delicate which I took indoors) onto 3 tier staging at the far end. I then bubble wrapped this particular area and installed a bubble wrap curtain between this staging and the remainder of the now empty greenhouse. I placed a 150W tubular heater which is 1.5m in length on the bottom tier of the staging and left it for the winter. On really sunny days I opened the doors pinned the curtain back and let in fresh air. I also have solar fans going all year round. I lost two small plants but in the grand scheme of things I didn't think that was too drastic. I also have an Inkbird thermostat which I set a temperature of 4°. What I would really like to do is to just have cold hardy plants ( except for the Melos) and not have to heat at all.
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