Q. 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!!!!!!!!!
Answer
Not sure what is happening so I included a scan describing different cactus problems below. I will send this information from our email portal (plantinfo@nybg.org) 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
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