Eulychnia barquitensis prefers infrequent watering. Allow the soil to dry out completely between waterings. Overwatering can lead to root rot, especially in cooler months.

In its native arid environment, it tolerates drought well. Reduce watering significantly during winter dormancy.

Pruning is generally minimal for Eulychnia barquitensis, primarily for removing dead or damaged stems. If shaping is desired, do so cautiously during the active growing season.

Use clean, sharp tools to prevent disease introduction. Avoid heavy pruning which can stress the plant.

Propagation is typically done through seeds or cuttings. Seeds require warm, dry conditions and can be slow to germinate.

Cuttings should be taken from healthy stems, allowed to callus for several days, and then planted in well-draining soil. Patience is key for successful propagation.

Repot Eulychnia barquitensis only when it becomes root-bound, usually every 2-3 years. Choose a pot with drainage holes and use a gritty, well-draining cactus mix. Repot in spring or early summer.

Handle with care due to spines.