I have planted some geraniums in a movable wooden 'trough'. Will they survive if I bring them into an unheated garage for the winter. I live in Ontario, Canada!
They might survive if it don't get too cold and you have some light in there, but it sounds like a bit of a tall order to me.
As an insurance policy, I'd take several cuttings and get them to root in pots on a kitchen windowsill, that way you've got plan A &B B covered.
Hi - They will not survive in the unheated garage. You could either buy a cheap heat pad from Canadian Tire and put them on that wrapped in bubble wrap or better still take as many cuttings as you can and stick them straight into soil and keep them in the Utility or kitchen -geraniums root really easily and they will be ready by May to replace those you had this year.
Not being 'picky' are you asking about pelargoniums or geraniums? If pelargoniums then replies above are valid.
If geraniums then it depends on the variety. I have some that survive year after year in my garden having been covered in snow and frost during the winter. However, I suspect your winters are more severe than ours.