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Button Cactus (Epithelantha micromeris)

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description Button Cactus (Epithelantha micromeris) Overview

Epithelantha micromeris, commonly called the button cactus, is a small cactus native to parts of the southwestern United States and northern Mexico. Its rounded or short cylindrical stem is covered by numerous tiny tubercles and dense white radial spines, which can largely conceal the green surface. It produces small flowers near the crown and conspicuous red fruits, and is cultivated by cactus enthusiasts who can provide dry, well-drained conditions.

help Button Cactus (Epithelantha micromeris) FAQ

How large does a Button Cactus typically grow?

Epithelantha micromeris is a miniature, globular cactus that usually remains very small, often reaching only a few inches in diameter at maturity. Its dense covering of white spines completely obscures the green body of the plant, making it look like a small white pincushion.

What kind of flowers does the Button Cactus produce?

Despite its dense spiny covering, the Button Cactus produces small, pale pink or whitish flowers that emerge from the center of the plant's apex. These flowers are typically followed by tiny, bright red fruits that remain embedded in the wooly top of the cactus.

Where is the Button Cactus natively found?

Epithelantha micromeris is native to the southwestern United States, particularly thriving in Texas, New Mexico, and Arizona. It is also found growing natively in northern Mexico, usually preferring rocky, limestone soils in arid environments.

How often should I water a Button Cactus?

Like many desert cacti, the Button Cactus is highly susceptible to root rot and requires infrequent watering. You should only water it during the active summer growing season when the soil is completely dry, scaling back drastically to almost no water during the winter months.

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