Water thoroughly when the soil is completely dry. Reduce watering significantly in cooler months to prevent root rot.

Ensure good drainage to avoid waterlogged conditions, as this cactus is susceptible to fungal diseases.

Pruning is generally not required for Coleocephalocereus aureus. Remove any dead or damaged stems promptly to maintain the plant's health and appearance. If propagation is desired, stems can be cut cleanly.

Propagate by stem cuttings. Allow cut surfaces to callus over for several days before planting in a well-draining cactus mix. Rooting typically occurs within a few weeks when kept in warm, bright conditions.

Repot every 2-3 years or when the plant outgrows its container. Use a gritty, fast-draining cactus soil mix. Choose a pot only slightly larger than the previous one to avoid excessive moisture retention.