Mammillaria sempervivi

This is a popular slow growing and easy to cultivate cactus species originally from central and northern Mexico has a dull grey-green color and it can grow up to 5" in diameter. The white wool between the areoles makes this species a pleasure to look at and grow.

Sun exposure: Light shade
Origin: Central and northern Mexico (Hidalgo, San Luis Potosi, Nuevo Leon, Guanajuato, Queretaro)
Growth habits: Solitary or slowly clumping, 3 inches wide (7.5 cm)
Watering needs: Water sparingly, needs good drainage.
Propagation: Seeds
Blooming Habits: Whitish flowers with pinkish mid stripe, 0.8" long and diameter (2 cm)