Thank you so much for your response. I have been traveling and not in a place to check my email. The gray areas spread and dried completely out. I...
It's the original pot and potting soil. The plant is so large it is difficult to repot. I will try the ceiling fan to prevent further...
Thanks for the thoughts. We have crank out windows that only open from the bottom. Those are never opened and seal quite well. There is a floor...
I have found the name. It is called Twisted Cereus, Spiraled Cereus Cereus hildmannianus f. tortuosus. I sprayed with anti fungal and hope that...
Have a 6 or 7 foot cactus that was given to me in Oct. 2004. It is in a pot in our house in Minnesota. Last year it started growing fairly rapidly...
