Knowledge Hub

Cactus Care

Watering, light, soil and seasonal care for healthy cacti.

7 articles

Featured · Aug 2026

The Art and Function of Top Dressing Cactus & Succulents

Top dressing can transform a simple potted cactus or succulent into a miniature landscape. Learn how to choose, mix, crush, and sift rocks, gravel, sand, clay, and other materials to create beautiful habitat-inspired plant displays.

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Aug 2026 · 5 min read

Preparing a Cactus for a Shallow Bonsai Pot

Thinking about putting a cactus in a shallow pot? Learn how to prepare your cactus, handle the roots, choose the right soil and container, and create a beautiful bonsai-style display without compromising the health of the plant.

A collection of Mammillaria cacti displaying the genus' remarkable diversity in spine patterns, growth forms, and clustering habits. Native to Mexico and the southwestern United States, these compact cacti are among the most rewarding species for collectors.

Aug 2026 · 5 min read

Genus Spotlight: Mammillaria

Mammillaria is one of the largest and most diverse cactus genera, loved for its compact size, unique spine patterns, and colorful ring of flowers. Discover what makes these charming cacti so popular, explore notable species, and learn how to grow them successfully in your own collection.

Aug 2026 · 5 min read

Genus Spotlight: Thelocactus

Thelocactus are sculptural desert cacti prized for their dramatic spines, striking ribs, and oversized flowers. Discover what makes this Mexican genus unique, explore popular species, and learn how to grow these collector favorites with confidence.

Aug 2026 · 5 min read

Genus Spotlight: Astrophytum

Astrophytum are among the most iconic collector cacti, prized for their star-shaped forms, white flecking, and brilliant yellow flowers. Learn about popular species, growing tips, and why these living sculptures have captivated collectors around the world.

Jun 2026 · 5 min read

The Biggest Myth About Watering Cactus (And How to Water Them Correctly)

Watering cactus doesn't have to be complicated. Learn when to water, how much water to give, and how to recognize the signs of too much or too little water.

Several Gymnocalycium cactus species growing in ceramic pots

Jun 2026 · 2 min read

Genus Spotlight: Gymnocalycium

A short dive into the Gymnocalycium genus