By Clarev
Switzerland 
I have a smallish Solanum Rantonetii in a wooden tub, first year, a little more than 1 meter high from its base to the top of it flowering crown and at its widest the branches spread about 1 meter. The flowering branches are untrained and grow in all directions. It has stood on a terrace all summer in full sun, heat wave and all. It stopped flowering in early September but is now in full bloom once more. As winter approaches and our temperatures will go below freezing, we plan to put it inside in a sort of unheated wintergarden-room in full (sun)light, temperature about 5C.
Question: when to prune and how far into the branches or down, and do we repot, when?
Thanks for your advice.
C.van Beusekom clarev@bluewin.ch
10 Oct, 2010
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I overwintered one at that kind of temperature last year - maybe a couple of degrees warmer. I cut it back in the spring, and repotted it at the same time. It took quite hard pruning, back to good healthy growth on each branch, and new shoots soon appeared.
10 Oct, 2010