Check these first
- Feel the soil 2 inches deep.
- Check if the soil smells sour or swampy.
- Ensure the tree is not sitting in a puddle.
Likely causes
Overwatering
Most likelyHow to tell: The leaves turn yellow and drop while the soil remains wet to the touch.
What to do: Stop watering immediately and let the top 3 inches of soil dry out. If the soil is heavy, mix in perlite or sand to improve drainage.
Poor drainage
PossibleHow to tell: Water pools around the base of the tree after rain or irrigation.
What to do: Create a mound of soil around the base to encourage water runoff. Avoid planting in low spots where water collects.
Find out what's wrong with your jacaranda
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
If the trunk feels soft or mushy near the ground, the rot may be too advanced to save the tree.
Stopping it coming back
Only water when the soil is dry and ensure the planting site has excellent drainage.
Jacaranda: root rot? Check yours with a photo
Every plant is a little different. Take a photo of your jacaranda 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
- How often should I water?
- Water every 7 to 14 days depending on the heat. Always check the soil dryness first.
- Can I save a tree with root rot?
- If caught early, you can save it by improving drainage and reducing water. If the roots are black and mushy, it is often too late.
More problems with Jacaranda
- Why are there bugs on my Jacaranda?
- Why is my Jacaranda not blooming?
- Why is my Jacaranda tree looking so leggy?
- Why are my Jacaranda leaves turning yellow?
- Why are my Jacaranda's leaves getting brown tips?
- Why is my Jacaranda tree drooping?
- Why is my Jacaranda losing its leaves?
- Why are my Jacaranda leaves curling?
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.

