Growing cactus house plants isn't just a trend—it's ... Native to the Sonoran desert in Arizona, this cactus species can grow over 40 feet tall! Safe to say, this one needs to be grown outside.

This gorgeous blooming variety is one of the easiest types of cactus to grow. Its leaves are beautifully colored, and it can ...

For family and pet-safe types, choose cacti such as holiday cacti or ric rac cactus that don't have dangerous prickly spines. One final note: Some plants are called "cactus" but actually belong to ...

Experts have documented the “first local extinction” of plant species driven by rising sea levels in the United States. The Key Largo tree cactus, at over 20 feet tall, was once a beautiful ...