Geraniums - Knowledgebase Question

Batavia, NY
Avatar for cgrower
Question by cgrower
September 16, 1999
We planted many geranium this summer and would like to grow them again next year. Can they be kept over winter?

Answer from NGA
September 16, 1999
There are several methods of overwintering geraniums. One is to bring the pots indoors and keep them on a sunny windowsill. If space is limited or they are not in pots, you can take cuttings from your plants in late summer or early fall and grow the resulting babies indoors. You can also dig up geraniums planted in the ground and put them in pots -- cut them back by at least half to two thirds if you try this. It is also possible to keep the plants cool over the winter (in a basement for example) so that they go dormant. Some gardeners will uproot them and hang them upside down, others will simply place the pots in the storage area. The key to this is that the temperature must be between 35 and 45 degrees and the room must not be too dry -- the optimum humidity level for storage is about 80 percent! Good luck with your geraniums!

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