Cleistocactus colademononis

Under glass, grow in standard cactus compost in full light and with low humidity. In the growing season water moderately and apply a dilute low-nitrogen fertiliser monthly. Keep completely dry from mid-autumn to spring. See houseplant cacti and succulent cultivation for further information

No pruning required

Propagate by stem cuttings in summer, or by seed sown in spring

May be susceptible to mealybugs

May be susceptible to root rots