Mammillaria Spinosissima blooming: Spring Origin and Habitat: Mammillaria spinosissima is endemic to mountains of central Mexico. (Morelos, Guerrero, and Mexico State) Altitude: 1600-1900 meters above sea level. Habitat: The species occurs in tropical dry forests and xerophyllous scrub. Accompanying species can be: Hechtia glomerata,Echeveria gibbiflora, Oxalis deppei and Agave horrida.