Staff Answer
Aug 19, 2022 - 01:53 PM
Like all cacti, this plant requires little water and lots of light. A south facing window or a southern outdoor exposure is ideal. It will not tolerate freezing temperatures nor consistently moist soil. Use a gritty soil that drains water well and be sure the pot you plant it in has a drainage hole.
It's important to note that the green stem and the ball on top are two separate cacti that have been grafted together, because the ball cactus cannot survive on its own. If the ball cactus dies, the green stem will live on. This green stem is, likely, Hylocereus undatus. That's a climbing, vine cactus also known as dragon fruit.
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