Cactus and Succulents forum→Black spots on jade

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May 9, 2020 1:39 PM CST
Hello! I recently noticed some large black spots on the edge of my jade plant's leaves and am wondering if they are a sign of overwatering or root rot? Its only on one or two of the leaves but I don't want it to get any worse. I attached a picture of the worse one. Any help would be appreciated!!

Thumb of 2020-05-09/Sam1696/9febee

Thumb of 2020-05-09/Sam1696/e7f797

Name: Humberto
Brazil (Zone 11b)
May 9, 2020 3:22 PM CST
looks like rot. Funghi can thrive inside succulents leaves because they retain many liquids and chemicals that feeds the fungus. It'll probably dry up and look like burnt because eventually that funghi dies, but it may leave spores and reproduce elsewhere. You can remove the leave, but I would keep it and spray diluted isopropyl alcohol over the plant. It may kill the funghi and prevent it from spreading.
Name: tarev
San Joaquin County, CA (Zone 9b)
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May 16, 2020 1:31 PM CST
I get those sometimes. I just leave it alone. Though my jades do not suffer beyond having ugly scars after those stuff dries out, since I grow them outdoors and there is always faster dry out time. In time, those leaves will naturally dry out and a new one will form., at the tip or anywhere up and down the branch/trunk.

You may consider opening up your windows, weather permitting, to allow more airflow round your plant to hasten dry out time, or run a fan to increase ventilation.

Check the rest of the plant, as long as there is nothing showing any undue sogginess or soft spot, then plant is generally okay, and will just need more light and air around it.

By the way, the color of your jade leaves shows deep green so it is telling me it needs more sun.
[Last edited by tarev - May 16, 2020 1:32 PM (+)]
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