Can I repot a mandevilla in gritty mix now?
I have a vigorous mandevilla that has been growing outside in 5-1-1 mix in a moss lined hanging basket. I had intended to toss it when the first frost arrives, but I like it so much that I'd like to try overwintering it indoors. I figure we have 4 to 8 weeks before the first killing frost arrives. Since I would need to put it in a different pot to do that, I'm wondering if I should just pot it up so I don't disturb the roots when it's about to go dormant.
For the long run, I would prefer repotting into gritty mix. I also will have to prune the vines quite a bit since they have wrapped around the hook and tree limb it is hanging from. If I repot, can I also root prune? Any advice would be welcome.