Echinocactus grusonii or Kroenleinia grusonii, popularly known as the golden barrel cactus, golden ball or mother-in-law's cushion, is a species of barrel cactus which is native to east-central Mexico.
Light: Part to full sun.
Water: Alow soil to dry between waterings.
Pets: Non-toxic, but it does have spines so use caution!