Epithelantha micromeris: How to Grow and Care for Button Cactus, Ping-Pong Ball Cactus

Epithelantha micromeris Button Cactus, Ping-Pong Ball Cactus

Scientific name: Epithelantha micromeris

Common name: Button Cactus, Ping-Pong Ball Cactus

There is a small round cactus covered in white or gray. The green of the plant is not visible because the spines are so thick.

Quick Look at Epithelantha micromeris

  • Full sun to partial shade
  • Typical water needs for a succulent
  • Plant grows up to 12″ (30.5 cm) tall
    Plant grows up to 36″ (91 cm) wide
  • Zone 9a (Minimum 20° F | -6.7° C)
  • Not cold hardy
  • Propagation by offsets and seeds
  • Not generally toxic
  • Winter dormant

General Care for Epithelantha micromeris “Button Cactus”

The Epithelantha micromeris “Button Cactus” is a great addition to a rock garden. As it grows, it becomes a small shrub.


Epithelantha micromeris “Button Cactus” has typical watering needs. The “soak and dry” method will allow the soil to dry out completely between waterings.

Where to Plant

If you live in a zone that gets colder than 20 F, it’s best to plant this plant in a container that can be brought indoors. It does well in both full and partial sun.

You can plant in an area of your garden that gets 6 hours of sunlight a day. If you’re in the Northern Hemisphere, place a room that gets a lot of sunlight near a southern-facing window.

How to Propagate Epithelantha micromeris “Button Cactus”

Epithelantha micromeris can be grown from offsets or seeds.


Use a sterile, sharp knife or pair of scissors to growButton Cactus. Allow the main plant to callous for several days before placing it on well-draining soil. Water whenever the soil has dried out.


You should sow your seeds in a well-draining soil. If you live in a zone above 9a you can grow seeds outdoors. If you live in a cooler area, you can sow indoors under a grow light or on a seed mat.

You can read about handling Epithelantha micromeris safely.


  1. Epithelantha micromeris (Button Cactus, Ping-Pong Ball Cactus) – Wikipedia

Thanks for Reading

Enjoyed this post? Share it with your networks.

Leave a Feedback!