Mammillaria is one of the largest genera in the cactus family (Cactaceae), with currently 200 known species and varieties recognized. Most of the mammillarias are native to Mexico, but some come from the southwest United States, the Caribbean, Colombia, Venezuela, Guatemala and Honduras. The common name "pincushion cactus" refers to this and the closely related genus Escobaria. Mammillaria plumosa (feather cactus) is a species of flowering plant in the family Cactaceae, native to North-eastern Mexico. It grows to 12 cm tall by 40 cm broad. The clustering spherical stems, 7 cm in diameter, are completely covered in white downy spines. White or greenish yellow flowers are borne in late summer.
USDA Zone - 9
Season to Sow - Spring
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