Pocket Botanist
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Check these first
- Feel the top inch of soil.
- Check the drainage holes for blockages.
- Inspect the undersides of leaves for pests.
Likely causes
Overwatering
Most likelyHow to tell: The leaves turn yellow and feel soft or mushy to the touch. The soil stays wet for more than a week.
What to do: Stop watering immediately and let the top 2 inches of soil dry out. Ensure your pot has drainage holes so excess water can escape.
Nutrient deficiency
PossibleHow to tell: Older leaves turn yellow while the veins remain green. This often happens if the tree has been in the same pot for years.
What to do: Apply a balanced liquid fertilizer diluted to half strength once a month during the growing season. If the tree is very large, consider a slow release granular fertilizer.
Find out what's wrong with your wild jack
The list above covers the usual causes. Pocket Botanist looks at a photo of your actual plant and tells you the likely cause, how serious it is, and what to try first. Identification and a health check are free.
Scan with your phone's camera to get the app
Or go to pocketbotanist.app/get on your phone
When to worry
It is normal for the oldest leaves at the bottom of the tree to yellow and drop occasionally. Worry if multiple leaves yellow at once or if the new growth is affected.
Stopping it coming back
Maintain a consistent watering schedule and ensure the soil drains well between waterings.
Wild Jack: yellow leaves? Check yours with a photo
Every plant is a little different. Take a photo of your wild jack and Pocket Botanist tells you which cause is most likely, how serious it is, and what to try first. A few checks a day are free. Save the plant and you get care reminders timed for it.
Scan with your phone's camera to get the app
Or go to pocketbotanist.app/get on your phone
Get the app · Or check it from a photo now, free
Questions people ask
- Should I cut off yellow leaves?
- Yes, you can snip them off with clean shears. This keeps the tree looking tidy and prevents potential fungal issues.
- Can low light cause yellowing?
- Yes, if the tree does not get enough bright light, it will shed older leaves to conserve energy. Move it closer to a window.
More problems with Wild Jack
This article was generated with AI on from the plant’s care profile and is general information, not horticultural advice. Read about how we build these guides.