Care Tips: Although very hardy, the Pencil Cactus prefers dry, warm environments. Pencil Cacti like to dry out completely between waterings. The most common mistake made with these plants is overwatering. You won't need to water your plant more than once every 10 days (at most) during the growing season.
Full sun and temperatures of at least 65 F. or warmer are necessary when learning how to care for a pencil cactus. Pencil cactus is easy to grow.