Cacti do pretty well almost anywhere as long as they are protected from frost. It gets pretty cold in the desert at night you know...

A simple glazed frame raised off the ground worked well for my granfer for years - he'd got some house windows from a demolition site and put them up on a pile of bricks reminiscent of a Tate Gallery exhibit. Grannys cacti lived there very happily until someone dropped the tin bath on it.

LTS