Water sparingly. Allow the soil to dry out completely between waterings. Overwatering is a common cause of root rot for Cornulaca monacantha. Reduce watering significantly during cooler months to prevent waterlogging.

Prune sparingly, primarily to remove dead or damaged stems and to maintain shape. Use clean, sharp secateurs. Avoid heavy pruning as Cornulaca monacantha responds best to minimal intervention.

Pruning can be done anytime.

Propagation is typically achieved through stem cuttings. Allow cuttings to callus for a few days before planting in well-draining soil. Roots may form slowly, requiring patience. Cuttings are best taken in spring.

Repot infrequently, only when the plant outgrows its container or if the soil has become compacted. Use a gritty, well-draining cactus or succulent mix. Repot in spring before the active growing season begins.