How do you overwinter geraniums in the hse? Cut back? Water or no water? Cool rm?
I'll assume you are talking about zonal or tender geranium, Pelargonium. There is a whole genus of plants, Geranium, but they are hardy perennials and can be left in the ground. Here is an article that covers how to keep them over winter and start new plants from cuttings. https://hortnews.extension.iastate.edu/2004/9-17-2004/geraniums.html