Mammillaria humboldtii grafted

This is one of the most beautiful species, with candid white spines and lots of bright purplish-pink flowers blooming abundantly in spring.
It is a relatively rapidly growing species . Water regularly in summer, but do not over-water (rot prone). Use a pot with good drainage and a very porous potting media. Keep dry in winter. Feed with a high potassium fertilizer in summer. It is quite frost resistant if kept dry, hardy as low as -5° C. Outside full sun or afternoon shade, inside it needs bright light, and some direct sun.
Easily clustering and easily flowered. Most plants will offset readily, and clumps can be produced in a few years.


Pot size 2.75".
first 2 pictures are for reference only,
You will receive a similar size plant shown in other pictures.

"Sizes are approximate" every plant is slightly different then others and due to your screen setting and different screen type.


Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz