How long do geraniums live.?

A lady on my radio this morning said she still have the same geranium for forty years.Do geraniums ever die.
What is the difference between a "ohv" and...
Answers:    Mine are contained by pots and I bring them in every winter and set them surrounded by the garage, each year they carry bigger, I've never had any luck going away them in the ground and hold them come back after a cold winter.
They're building houses within my backyard! serve!?
They will end for generations! They will grow posterior through cracks in the sidewalk 40 years after a building is torn down, if they find a crack.