LindaMae's Plumbago

This has stopped flowering and I’ve brought it in for the winter – dithering over where it should live – maybe upstairs because that will give it more light. I’ve pruned if fairly lightly with the intention of pruning harder in the spring when it goes outside again.

Bought this in Norfolk just a couple of weeks ago. I notice no one on here who is in the UK is growing it and I’m wondering if it will survive and how I should treat it. Everything I can find is about growing it in warmer climates, all I know for here is that it needs sun and it needs brought ins...