Answer
Jul 15, 2021 - 01:47 PM
Hi there! I have some bad news.
Yellowing at the base of a cactus is a symptom of root rot. Root rot is fatal to plants and cacti are especially prone to it.
It's caused by overwatering so the first step is to stop watering it completely. If the base of your plant's stem is beginning to yellow, that means that the rot has spread to the stem and more intense procedures must be taken.
I recommend cutting the stem off a half an inch above the yellowing. Throw the bottom part with the roots away and place the top part on a paper towel for roughly a 3-4 days; watching always for continued yellowing. When you see the cut side callous, plant this cutting into moist soil. Hopefully it'll root and, if it does, water more sparingly than you did before.
This is very much a last ditch effort and is not guaranteed to work. I hope it does though!
Yellowing at the base of a cactus is a symptom of root rot. Root rot is fatal to plants and cacti are especially prone to it.
It's caused by overwatering so the first step is to stop watering it completely. If the base of your plant's stem is beginning to yellow, that means that the rot has spread to the stem and more intense procedures must be taken.
I recommend cutting the stem off a half an inch above the yellowing. Throw the bottom part with the roots away and place the top part on a paper towel for roughly a 3-4 days; watching always for continued yellowing. When you see the cut side callous, plant this cutting into moist soil. Hopefully it'll root and, if it does, water more sparingly than you did before.
This is very much a last ditch effort and is not guaranteed to work. I hope it does though!
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