Hi Simon,
Thanks for the accolade! It was looking especially good at that time, with so much in flower.
I do keep the bubble insulation up all year round - at least I have done now for the last 2 1/2 years. I did wonder if it would impair flowering, but doesn't seem to have done so. It also avoids the tedious work of unpinning it and pinning it up again.
My square pots come from Philip Barker, who is based in Macclesfield, I think. He is often at shows or conventions, but also sells by mail. You can contact him via email at philip@barker3832.freeserve.co.uk and he will send you his latest catalogue. They aren't the cheapest, but I've used them for years and they seem to last pretty much for ever as well.
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Chris43, moderator