Perennial cranesbill geraniums will come back each year and zonal geraniums, those now classified as Pelargonium, are tropical perennials usually grown as annuals. They got the description as "zonal geraniums" because of the zone-like markings on their leaves.You can beat them up a bit and they come right back. They are of course considered a perennial, but in many cold winter areas they are treated as an annual, or they are grown indoors. Geraniums for all their beauty can only endure light frosts in the winter. If a hard freeze comes along, they will die.Pelargoniums have upright, ball-shaped blooms and do not have the mounding habit of perennial geraniums. When it comes to growing conditions, perennial geraniums are relatively low maintenance and will bloom in a variety of areas.

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