In Canberra our winter temps are from -5c to 20c on average 23 f to 68 f what should i do with my oncidium alliances and Brassia and my Bifrenareas at the moment they are out in the bubble wrapped green house with the cymbidiums and dendrobiums. Will they handle the low temps or should i bring them inside? By the way there is no heating in the green house. It hasn't hit that low yet but it wont be long





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