organ pipe catus

Question

my organ pipe catus is in a pot out side and is starting to turn brownish purple on the top section. what can be wrong. It has been out side for about two years with no problem.

Answer 1

The Organ Pipe Cactus does turn grey as it matures and ages.

This article has more information.

https://www.gardeningknowhow.com/ornamental/cacti-succulents/organ-pipe-cactus/organ-pipe-cactus-care.htm