Astrophytum Myriostigma 'Walnut'

Astrophytum Myriostigma 'Walnut'. Ready for 4in pots. A spineless cactus with a rounded, walnut-like form of thick green ribs dusted in white flecks. Care: bright light (tolerates direct sun), water only when the soil is completely dry, well-draining cactus/succulent mix, warm temps above 60°F and protect from frost. Better to underwater than overwater.