The Q&A Archives: Cereus

Question: What is the difference between the Cereus Hildmannianus and the columnar Cereus Peruvianus?

Answer: Cereus Hildmannianus is treelike, grows to 20' with 2 1/2" high ribs, on the thick stem. It is native to Brazil. Cereus peruvianus, the apple cactus, can be shrublike or treelike to about 10'. It, too, is ribbed and spined, but gray-green in color. Both produce white flowers, but C. peruvivanus has a fragrance that is absent in the flowers of C. Hildmannianus.

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