Certified GKH Gardening Expert
During winter months, plants need only be watered about once monthly or as needed when the soil becomes dry about an inch or so down. Leggy plants are normally a sign of too little light. You can cut them back some and begin giving the plants more light. Here is some additional information that should help: https://www.gardeningknowhow.com/ornamental/flowers/geranium/leggy-geranium.htm, https://www.gardeningknowhow.com/ornamental/flowers/begonia/wintering-begonias-overwintering-a-begonia-in-cold-climates.htm, https://www.gardeningknowhow.com/ornamental/flowers/geranium/how-to-save-geraniums-over-the-winter.htm