place them near a south-facing window that gets direct sunlight but is lightly shaded too
you can supplement with a specialized cactus fertilizer to provide the necessary nutrients
Place it in well draining succulent soil or root it in water
The common name of the plant is Melon Spurge
it form small clumps or mats
Mammillaria melanocentra airplant place them near a south-facingMammillaria melanocentra is a short, stocky and glaucous perennial cactus species with large tubercles. Each head is surrounded by a complete ring of star like dark pink flowers. It originates in Northern Mexico (Coahuila, Durango, Nuevo Leon, and Tamaulipas, Mexico). Stem: Depressed spherical, to short cylindric and rather flattened at the top, up to to 16 cm high and 10 12( 15) cm in diameter, glaucous green. Tubercles: in 8 and 13 spirals, firm,