Cereus peruvianus v twisto. 'Twisto Cereus' A form of peruvianus monstrosus, no cresting, instead a nice spiral growth.  Sunset:12-13,16,17,21-24; USDA: 9-11. Full sun. Heat tolerant. Grows rapidly with regular water and rich soil, fertilize in summer.  Grows to 20' tall with many branches radiating from base.