Geraniums / perlagoniums over winter

[BasiliskStare]

I have some in a couple of window boxes - I have dead headed and pulled out the stalks and leaves which will come out. There are few flowers but nothing like in the summer .

Will they last over the winter or should I just take out the healthy looking ones and put them somewhere more sheltered ( have a tiny space at the back outside kitchen ) and replace with some winter bedding which will look nice and then can swap geraniums back next sprintg( for winter I was thinking cyclamen ? )

Or do I just accept these are a one season plant ?

Any advice appreciated.

Mine has survived milder winters outdoors, but last year I moved it into the summerhouse, lucky choice as it was a harder winter. Surrey Hills.

It's a good idea to take cuttings and bring them on indoors as insurance.

Cold frames (bottomless inverted boxes with glazed top) can be good, they need to be sited so they get the morning sun, and you do need to keep an eye on very sunny days to prevent overheating (generally by propping the glass lid open)

Thank you all