Mammillaria rodantha maccantenii
(This plant comes in a 3.5" pot. You will receive a very similar plant to the one in the picture. It may or may not be blooming at the time of your purchase. The plant is shipped in its pot to prevent any damage to the roots).
Description: It is a solitary or slowly clumping cactus.
Flowers: The flowers are a deep purple-pink to red.
Blooming season: This plant probably has the one of the longest non stop blooming streak of any . It starts blooming in spring and continues to bloom till autumn.
Cultivation: Its qualities and ease of cultivation justify that it is an old favorite. It doesn't requires any special treatment, but needs as much light as possible (without burning the plant) to encourage the heaviest spine formation. Regular water in summer, dry in winter. Frost tolerance: -4° C.
Propagation: Seeds or offsets.
Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz