Mammillaria compressa is one of the larger species of Mammillaria, forming large dull, pale green mounds with sparse white spines and reddish-pink flowers in winters.it is called mother of hundreds because it forms large clumps, up to 3 feet wide when grown outdoors .Mammillaria species like most cacti they're drought tolerant and need very little care and attention to grow well . Plenty of sunshine will keep this cacti more than happy. Provide bright, even light to encourage tight growth and flowering. Some shade during a hot summers day can be helpful to prevent sunburn.
The white, hooked spines of this spherical cactus were used as fish hooks in its native Mexico.