Snowball cactus (Mammillaria candida)

Care, watering, light and tips for Snowball cactus on Floravia.

Snowball cactus

Quick facts

About Snowball cactus

Mammillaria candida, commonly known as the Snowball Cactus, is a small, globose cactus native to Mexico, renowned for its dense covering of soft, white spines that give it a cottony, ornamental appearance. It produces funnel-shaped pale white or pink flowers that emerge in a ring around the apex. It's an excellent choice for rock gardens, cactus collections, or as an indoor potted plant, adding a delicate and exotic touch.

Native range

Central Mexico

Care tips

It requires full sunlight for compact growth and abundant flowering. Watering should be sparse, allowing the substrate to dry out completely between waterings, especially in winter when it should be almost non-existent. Use a very well-draining substrate, specific for cacti. A common mistake is overwatering, which can lead to basal rot; it's crucial to avoid water accumulation in the pot.

How to save a dying Snowball cactus

Warning signs
Soft/black base (rot), shriveled/sunken body (extreme dehydration), strange spots, no flowering.
First aid
For rot: cut affected parts with sterile knife, let callus, repot in dry substrate. For shriveling: check roots, water sparingly if healthy.
What kills it
Overwatering! It's its worst enemy. Constantly wet soil quickly rots its roots.
Can it be saved?
Yes, if you act fast. Rot is serious, but dehydration is reversible with care and patience.

Open in Floravia — reminders and AI advice