Can I use a fungicide?

You can use a copper based fungicide if the spots continue to spread. Always follow the instructions on the label.

Should I prune the spotted leaves?

Yes, pruning off heavily spotted leaves helps the plant focus its energy on healthy growth. Dispose of the clippings in the trash, not your compost.

Eucalyptus: spots, causes and fixes

Check these first

Look for tiny beetles or larvae on the leaves.
Check if the leaves are staying wet after watering.
Ensure the plant has good airflow.

Likely causes

Fungal Leaf Spot
Most likely
How to tell: Small brown or black spots appear on the leaves, sometimes with a yellow halo around them.
What to do: Remove the affected leaves to prevent the fungus from spreading. Improve air circulation around the plant by spacing it away from other foliage. Avoid getting water on the leaves when you irrigate.
Eucalyptus Weevil Damage
Possible
How to tell: You will see irregular holes or skeletonized patches where the beetles have fed on the leaf tissue.
What to do: Inspect the leaves closely for small beetles or larvae. Pick them off by hand if the infestation is small. For larger issues, use an insecticidal soap spray on the foliage.

Leaf spots on other plants

Find out what's wrong with your eucalyptus

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.

When to worry

Small, isolated spots are usually manageable, but if the spots cover most of the foliage, the plant's health is at risk. Treat the issue as soon as you notice it to prevent widespread damage.

Stopping it coming back

Keep the foliage dry and ensure the plant is in a well ventilated area with plenty of sun.

Eucalyptus: spots? Check yours with a photo

Every plant is a little different. Take a photo of your eucalyptus 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.

Get the app · Or check it from a photo now, free

Questions people ask

Can I use a fungicide?: You can use a copper based fungicide if the spots continue to spread. Always follow the instructions on the label.
Should I prune the spotted leaves?: Yes, pruning off heavily spotted leaves helps the plant focus its energy on healthy growth. Dispose of the clippings in the trash, not your compost.

Guides to these causes

Leaf Spot

Why are there spots on my eucalyptus leaves?

Check these first

Not sure what's wrong with your eucalyptus?