Armatocereus

Armatocereus armatus is a perennial ornamental cactus that thrives in full sun and requires low watering. It can grow to a height of 1–3 meters and is suitable for USDA zones 9–11. This cactus prefers sandy, loamy, or chalky soil. It is evergreen, not fragrant, does not attract pollinators, and is not toxic.