I too live in Ontario and have 5 vandas. All were purchased in june and were shipped bare root in small baskets. I left them in existing small wooden baskets and potted them in spagnum in larger mesh baskets and hung them outside for the summer. Upon moving them inside recently, I did a close inspection and found that some of the roots were beginning to rot as the moss was holding too much moisture. (too much rain recently). I have removed from the larger pot and tucked a small amount of spagnum in the smaller pots now leaving majority of roots exposed. I mist them 1 to 2 times a day. Main concern on the double potting I would say would be the root rot. Good luck with your vanda.
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1MOREORCHID
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