Water thoroughly when the soil is completely dry, typically once every 2-4 weeks during the growing season. Reduce watering significantly in winter to prevent root rot, allowing the soil to dry out between waterings.

Ensure excellent drainage to avoid waterlogged conditions.

Pruning is generally not required for Ferocactus viridescens as it is a slow-growing, globular cactus. Remove any dead or damaged ribs or flowers as needed with a clean, sharp knife or shears to maintain aesthetic appeal and prevent disease.

Propagate Ferocactus viridescens primarily through seed. Sow seeds in a well-draining cactus mix in spring or summer.

Cuttings are less common and can be challenging due to the plant's stem succulence; if attempted, allow the cut end to callus completely before planting.

Repot every 2-3 years or when the cactus outgrows its container, preferably in spring. Use a gritty, fast-draining cactus mix. Choose a pot only slightly larger than the current one with drainage holes.

Handle with extreme care due to spines.