Although geraniums are generally grown as annuals because they aren't frost-tolerant, you can overwinter them indoors using a very simple technique.
After tending to your geraniums all summer, you can overwinter them instead of starting over next year. Here are three ways to overwinter geraniums for next year.
By doing this simple task, you'll encourage stronger, healthier geranium growth. And with some added help, you'll increase the quantity of roots, too.