Gymnocalycium mihanovichii is a great cacti for beginners. It grows well indoors, and thrives on neglect. It is actually two separate cacti grafted together. The top, colorful graft comes from Gymnocalycium, with the rootstock cacti coming from another cacti. The colorful Gymnocalycium is a mutant, unable to photosynthesize, and therefore requiring nutrients from another cacti.
This is for one 6 pack Mixed colours
The Ruby Ball Cactus - MIX 6pack is far and away, one of our most popular items. People can't seem to get enough of it.