Pachycereus schottii f. monstrosus

A smooth, spineless mutation of the senita prized for its surreal, totem-like sculptural columns.
Frost sensitive, hardy to about 28-30°F, USDA 9-11; a tender low-desert plant needing frost protection.
AMWUA Notes
Spineless, drought tolerant sculptural cactus that thrives on very little water.
Water established plants monthly in summer only; the smooth stems rot if kept wet, so ensure sharp drainage.
Remove damaged stems; sections can be re-rooted to propagate this prized spineless form.
Light spring feeding optional.
Generally trouble-free; watch for mealybugs in the folds.
Frost-tender below 28-30°F; protect during cold snaps and shield from sudden intense sun to avoid scald on the smooth skin.
Fast-draining decomposed granite or gritty mineral soil; low organic matter
Needs sharp, fast-draining soil.
Low feeder.
Stem sections re-rooted after callusing
6-10 ft
Shallow, non-invasive roots; spineless, so safe near pools and patios
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Data from 2024 AMWUA “Landscape Plants for the Arizona Desert” guide.
Answers for low-desert Phoenix conditions, drawn from this plant’s growing data.
Totem Pole is a low-water cactus once established. Water established plants monthly in summer only; the smooth stems rot if kept wet, so ensure sharp drainage. Spineless, drought tolerant sculptural cactus that thrives on very little water.
Expect roughly 15 ft tall and 10 ft wide at maturity, with a slow growth rate. Allow about 6-10 ft of spacing when planting. Shallow, non-invasive roots; spineless, so safe near pools and patios.
Yes. Totem Pole is considered pool-friendly, meaning it stays clean enough around water features and hardscape. Litter is rated low.
Totem Pole is hardy in USDA 9-11 and wants partial shade. Frost sensitive, hardy to about 28-30°F, USDA 9-11; a tender low-desert plant needing frost protection. Frost-tender below 28-30°F; protect during cold snaps and shield from sudden intense sun to avoid scald on the smooth skin.
No. Totem Pole is thornless, so it is safe alongside walkways, patios and play areas.
Totem Pole is listed as pet-friendly in this guide. If your dog is a determined chewer, check any new plant with your vet before planting.
Totem Pole blooms in late spring-summer, with pink flowers.
Totem Pole is low-maintenance. Leaf, flower and pod litter is rated low. Remove damaged stems; sections can be re-rooted to propagate this prized spineless form.
Fast-draining decomposed granite or gritty mineral soil; low organic matter. Nutrient needs are low. Light spring feeding optional.
No. Totem Pole is not an Arizona native; it originates from the Baja California, but it is grown successfully in low-desert landscapes here.