Gardening: Bring geraniums indoors to overwinter

The zonal geraniums (Pelargonium x hortorum) we grow as houseplants and tender bedding plants are complex hybrids of species native to South Africa. I was shocked when I first saw them in Tanzania, East Africa, in the early 1960s. They were grown as woody hedges of about the same height and width as caragana.
To overwinter geraniums, bring them indoors prior to frost. If you are growing them in a tub or container and time is at a premium (as it usually is in fall), simply drag the entire pot ind