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"Cacti are truly masters of adaptation and perseverance. There are some species that have adapted to grow in extremely high altitudes and can survive through below-freezing temperatures.  Other species of cacti can grow in some of the most remote and arid deserts in the world," says Solie.  

  Photo 6 of 7 in 7 Key Tips For Owning Cacti, According to a Cactus Expert