Should I remove the limb of a cactus that has a brown spot? - Cooperative Extension: Garden and Yard - University of Maine Cooperative Extension

Question: I have a Blue Myrtle Cactus that is overall doing well. It is an indoor cactus. Over the past 3-4 weeks it has developed a brown spot at the end of one of its limbs where there had been some new growth. All the other limbs look great. I do not believe it has read more