Re: how big does my greenhouse need to be?
You really should make it bigger than the plant will get since it gets especially hot right next to the film and you would want room to walk around it to spray for mites, etc. and you might end up putting in misters or shade cloth (I use Aluminet shade cloth in my greenhouse and it helps a lot), so all of those things take up additional room. Plus, you'll want room for some other plants, etc.
Good luck,
Harvey
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