Check these first
- Look at the calendar to see if it is nearing autumn.
- Inspect the fallen leaves for white powdery growth.
- Check the soil moisture to rule out drought.
Likely causes
Extreme drought
PossibleHow to tell: Leaves turn yellow or brown and fall off prematurely during a hot summer.
What to do: Increase your watering frequency to ensure the roots stay hydrated. Apply a 2 to 3 inch layer of mulch to help retain soil moisture.
Fungal infection
PossibleHow to tell: Leaves show white powdery spots before falling off, indicating powdery mildew.
What to do: Improve air circulation around the tree by thinning out crowded branches. Use a fungicide labeled for powdery mildew if the infection is widespread.
Find out what's wrong with your crape myrtle
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
Worry if the tree loses a large amount of leaves in the middle of summer. It is perfectly normal for the tree to drop all its leaves once the weather turns cold in late autumn.
Stopping it coming back
Keep the tree healthy with proper sun exposure and avoid overhead watering, which encourages fungal growth.
Crape myrtle: leaf drop? Check yours with a photo
Every plant is a little different. Take a photo of your crape myrtle 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
- Is it normal for my tree to be bare in winter?
- Yes, crape myrtles are deciduous and naturally lose all their leaves in the winter. They will grow back fresh in the spring.
- Do I need to rake up the fallen leaves?
- It is a good idea to rake up and dispose of fallen leaves, especially if they show signs of fungal disease, to prevent it from spreading.
More problems with Crape myrtle
- Why are there white spots on my Crape myrtle leaves?
- Why is my Crape myrtle sticky and covered in bugs?
- Why is my Crape myrtle not blooming?
- Why is my crape myrtle growing so leggy?
- Why are my crape myrtle leaves curling?
- Why are my crape myrtle's leaves turning yellow?
- Why are my crape myrtle's leaf tips turning brown?
- Why is my crape myrtle drooping?
- Why is my crape myrtle showing signs of root rot?
Back to the Crape myrtle guide
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.
