How to prune copiapoa hypogaea

Only when dead or rotten tissue is identified — act promptly at any season. Use a sterile scalpel to excise rotting flesh back to clean tissue. Treat the wound with sulphur powder and withhold all water until fully callused and dry.

Rarely — essentially never under good growing conditions. Copiapoa hypogaea is an extremely slow-growing, geophytic cactus with a partially subterranean body. It requires no pruning at all. Never cut into the caudex or ribs. The only action ever warranted is removing dead or rotten tissue with a sterile blade, then allowing the wound to dry completely.

Use a sterile scalpel to excise rotting flesh back to clean tissue. Treat the wound with sulphur powder and withhold all water until fully callused and dry.