Cactus Tip Rot?
5 years ago
last modified: 5 years ago
Hello,
Ive had a large 6 ft cereus peruvius cactus for about a year now. Today I noticed that one of the tips started to show black rot. Im in Texas, and we had a 3 day power outage last week that probably caused my house to get very cold. I watered it one time in early February and I haven't in 2-3 months prior. It is potted with Al's gritty mix. It is next to a large window and I use a plant light on it too. What could have caused this? The cold or a fungal infection or overwatering? I see on it there is these small spots. I removed the black rot and cut 2 inches below it with a sterilized scissors.
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SoCal Stewart (San Diego, Ca Zone 10A/10B)
Lora MooreOriginal Author
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