Acidic, I believe. I don't know about temperatures. I put mine in a cold window and hoped for the best. They bloomed this spring and have been putting out new 'leaves'.
I cannot grow them outside where I live, not reliably. I would have to take measures to protect them. Some people who live in colder climates make their bog garden a little lower in the ground and, in autumn, cover the entire thing with a heavy board, lay plastic over the board and cover the entire thing with leaves. In the spring, they uncover the entire thing. Sort of like growing figs....
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