North America Native Plant

Pingpong-ball Cactus

Botanical name: Epithelantha micromeris

USDA symbol: EPMI2

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Synonyms: Epithelantha micromeris (Engelm.) F.A.C. Weber ex Britton & Rose var. micromeris (EPMIM)  âš˜  Mammillaria micromeris Engelm. (MAMI5)   

Pingpong-Ball Cactus: The Tiny Desert Gem That’s Big on Charm Meet the pingpong-ball cactus (Epithelantha micromeris), a delightful little native that proves good things really do come in small packages! Also known as Boke’s button cactus, this pint-sized performer is perfect for gardeners who want to add authentic desert flair ...

Pingpong-Ball Cactus: The Tiny Desert Gem That’s Big on Charm

Meet the pingpong-ball cactus (Epithelantha micromeris), a delightful little native that proves good things really do come in small packages! Also known as Boke’s button cactus, this pint-sized performer is perfect for gardeners who want to add authentic desert flair to their landscapes without the intimidation factor of larger cacti.

A True Native Treasure

This charming cactus is a proud native of the American Southwest, naturally calling Arizona, New Mexico, and Texas home. As a perennial species that’s perfectly adapted to our desert regions, it brings authentic local character to any garden while supporting the ecosystem it evolved alongside.

What Makes It Special

Don’t let its diminutive size fool you – the pingpong-ball cactus packs serious visual appeal into its compact frame. This little globe rarely exceeds a few inches in diameter, but what it lacks in size, it makes up for in personality. Dense clusters of tiny white spines give it an almost fuzzy appearance, earning it a spot as one of the more approachable-looking cacti in the desert plant family.

During blooming season, small pink to white flowers crown this little beauty, followed by bright red berries that add an unexpected pop of color. It’s like nature’s own jewelry box – small but absolutely stunning!

Perfect for the Right Garden

The pingpong-ball cactus shines brightest in:

  • Rock gardens where its small stature won’t get lost
  • Container gardens and succulent collections
  • Xeriscaping and water-wise landscapes
  • Desert-themed garden designs
  • As accent plants along pathways or in small spaces

This little native thrives in USDA hardiness zones 8-11, making it a reliable choice for gardeners in warmer climates who want to embrace sustainable, water-conscious gardening.

Pollinator and Wildlife Benefits

Despite its small flowers, this native cactus pulls its weight in supporting local ecosystems. The tiny blooms attract native bees and other small pollinators, while the red berries provide food for desert wildlife. It’s proof that even the smallest native plants can make a meaningful contribution to biodiversity!

Growing Your Pingpong-Ball Cactus Successfully

The beauty of this little native lies in its low-maintenance nature. Here’s how to keep it happy:

Growing Conditions

  • Full sun exposure (6+ hours daily)
  • Well-draining soil – this is absolutely critical
  • Protection from standing water and excessive moisture
  • Good air circulation

Planting and Care Tips

  • Plant in spring when temperatures are warming up
  • Use a cactus and succulent potting mix, or amend regular soil with coarse sand and perlite
  • Water sparingly – only when soil is completely dry, and less frequently in winter
  • Avoid fertilizing unless growth seems particularly slow
  • In containers, ensure drainage holes and consider elevating pots slightly
  • Protect from excessive rain during monsoon seasons

Why Choose Native?

By choosing the pingpong-ball cactus, you’re not just adding a unique conversation starter to your garden – you’re making an environmentally conscious choice. Native plants require less water, fewer fertilizers, and minimal pesticides while supporting local wildlife. In our increasingly water-conscious world, this little cactus proves that sustainable gardening doesn’t mean sacrificing beauty.

Whether you’re starting a rock garden, building a succulent collection, or simply want to try your hand at growing a charming native plant, the pingpong-ball cactus offers big rewards for minimal effort. Sometimes the best things really do come in the smallest packages!

Pingpong-ball Cactus

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Caryophyllales

Family

Cactaceae Juss. - Cactus family

Genus

Epithelantha F.A.C. Weber ex Britton & Rose - pingpong-ball cactus

Species

Epithelantha micromeris (Engelm.) F.A.C. Weber ex Britton & Rose - pingpong-ball cactus

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA