PHK Ceramics · Knowledge Hub

Learn, Grow
& Create.

A growing library of guides on cactus, succulents, bonsai, soil and handmade pottery — written in the studio, tested on the bench.

Featured · Aug 2026

Why Are Mesembs So Hard to Care For?

Mesembs are some of the most fascinating—and sometimes frustrating—succulents you can grow. From Lithops to Conophytum, these unusual plants have evolved around very specific cycles of water, light, and dormancy. Learn why mesembs can be difficult to grow and how understanding their natural habits can make them much easier to care for.

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Several Gymnocalycium cactus species growing in ceramic pots

Jun 2026 · 2 min read

Genus Spotlight: Gymnocalycium

A short dive into the Gymnocalycium genus