How can I save my cactus from further damage?

My two giant cactus trees have been healthy living under my skylights for the past 20 years. Now I notice brown coloring on the trunks and they look sick. HELP!!!!!!!!!


Not sure what is happening so I included a scan describing different cactus problems below. I will send this information from our email portal ( since scans cannot be attached here. Hope this is helpful.

General cactus care this fall season: It is very important to differentiate the non-active growth period of your cacti and to give them a rest. From October through February, most desert cacti need reduced water, food and temperature, though direct sunlight should continue.

The NYBG Plant Information Service 


  • Last Updated Jul 26, 2018
  • Views 70
  • Answered By Anita Finkle

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