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This is a discussion on Temp dropped in Greenhouse to 35deg f - will I lose my orchids? within the Semi Hydro / Lights / Greenhouses / Accessories forums, part of the Orchid Culture category; oh, flooring... this is a temp greenhouse.. its on a cement foundation... and I've added ...
oh, flooring... this is a temp greenhouse.. its on a cement foundation... and I've added 1" of gravel over the cement and then about 2" of gorilla hair (shredded redwood) to insulate and keep moisture up... Humidity varies between 52 percent and about 72 percent... depending on temp.