Project Description

Epithelantha micromeris

Button Cactus, Ping-Pong Ball Cactus

This small round cactus is covered in white or gray radial spines. The spines grow so thick over the surface that only some green of the plant shows through.

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Quick Look:
  • Full sun to partial shade

  • Can be grown indoors if given enough light

  • 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 leaves

  • Not generally toxic

  • Actively grows in Spring and Fall

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Care and Propagation Information

General Care for Epithelantha micromeris “Button Cactus”

Epithelantha micromeris “Button Cactus” is a great addition to rock gardens or hanging baskets. As it grows, it spreads out as a small shrub. It is native to Madagascar.

Watering

Epithelantha micromeris “Button Cactus” has typical watering needs for a succulent. It’s best to use the “soak and dry” method, and allow the soil to dry out completely between waterings.

Where to Plant

“Button Cactus” is not cold hardy, so if you live in a zone that gets colder than 20° F (-6.7° C), it’s best to plant this succulent in a container that can be brought indoors. It does well in full to partial sun.

Plant in an area of your garden that gets 6 hours of sunlight a day. If planting indoors, place in a room that gets a lot of sunlight, such as near a southern-facing window (if you’re in the Northern Hemisphere).

Pairs Well With

Sedum clavatum

How to Propagate Epithelantha micromeris “Button Cactus”

Epithelantha micromeris “Button Cactus” can be propagated from stem cuttings or seeds.

Offsets

To grow “Button Cactus” from offsets, use a sterile, sharp knife or pair of scissors. Remove an offset from the main plant, and allow it to callous for several days before placing on well-draining soil. Water whenever the soil has dried out completely.

Seeds

Sow your seeds “Button Cactus” seeds in a well-draining soil. You can grow your seeds outdoors if you live in a zone above 9a. If you live in a cooler area, you can begin sowing indoors under a grow light or on a seed mat.

Read more here about handling Epithelantha micromeris safely

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