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 endemic to east-central Mexico To grow Golden Barrel Cactus from seeds, sow your seeds in a well-draining soil. You can grow Echinocactus grusonii seeds outdoors if you live in an zone above 9a. If you live in a cooler area, you can begin sowing indoors under a grow light or on a seed mat.
