Ask a Question forum: Jade plant, dropping leaves and one stalk is totally black

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New York City
margaretbrow
Jan 29, 2018 4:45 PM CST
I have a jade plant with tubular shaped leaves; I bought it 2 years ago. It is in a large pot placed next to a large window with Western exposure; it is "mulched" with polished small stones. I've been watering it every 3 weeks, giving it 6 cups of water. It did fine until a few months ago, when it started dropping leaves, not just dried and small ones, but large green ones. I noticed this past week that an inner stalk was blackened from the base half way up, now it is fully black. A gardening guru suggested to me that it has a fungus and the best thing to do is get rid of it. Any other thoughts?
Name: Will Creed
NYC
Professional indoor plant consultan
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WillC
Jan 29, 2018 4:54 PM CST
A fungus is unlikely. Root damage is more likely. Please, post a photo that shows the entire plant, including its pot.
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
I now have a book available on indoor plant care
Name: Lin
Florida Zone 9b, 10a

Region: United States of America Deer Region: Florida Charter ATP Member Million Pollinator Garden Challenge I was one of the first 300 contributors to the plant database!
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plantladylin
Jan 29, 2018 6:09 PM CST
Yes, a photo will help to determine the issue and whether your plant can be saved. It definitely sounds like a root issue, most likely root/stem rot from too much water.
~ Playing in the dirt is my therapy ... and I'm in therapy a lot! ~


New York City
margaretbrow
Jan 30, 2018 9:15 AM CST
I have posted three photos. The first (plant) is of the whole plant in its pot next to its "western" light window. The second (typical) is a close-up of typical dried leaves, which have shedded like this since purchase two years ago. The third (black) shows the blackened stalk at the center of the plant, which appeared within the past 2 weeks; at the base is a "nest" of dried leaves. I do appreciate any help you can offer.
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Name: Will Creed
NYC
Professional indoor plant consultan
Image
WillC
Jan 30, 2018 11:54 AM CST
Overall, your Crassula looks healthy and beautiful! A limited amount of older leaf loss is normal as long as it continues to get healthy new growth.

If the soil gets a bit too dry between waterings, that may cause more leaf loss than normal. Can you feel the soil between the stones and dead leaf tissue on the soil surface? Does the pot have drain holes?

Without knowing more, it seems that you may be waiting too long between waterings (3 weeks) and may then be providing too much water (6 cups). It might be better if you were to use your finger or a chopstick as a probe to determine how dry the soil was getting between waterings. I also worry about water accumulating in the bottom of the pot if it does not have drain holes.

Consider removing the stones and dead plant tissue from the soil surface as they serve no useful purpose.
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
I now have a book available on indoor plant care

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