Will my leaves uncurl once I fix the problem?

Usually, the affected leaves will remain curled even after the stress is gone. Focus on the health of the new growth to see if the problem is solved.

Can I use neem oil for the aphids?

Yes, neem oil is effective against aphids on geraniums. Apply it in the evening to avoid burning the leaves in the sun.

Ivy-leaved geranium: curling leaves, causes and fixes

Check these first

Inspect the undersides of the leaves for tiny insects.
Feel the soil to see if it is bone dry.
Check if the curling happens only during the hottest part of the day.

Likely causes

Aphid infestation
Most likely
How to tell: You will see tiny green or black insects clustering on the undersides of leaves or on new growth. The leaves may also look sticky from the honeydew they leave behind.
What to do: Spray the plant with a gentle stream of water to knock them off. If they persist, apply insecticidal soap once a week until the bugs are gone.
Heat stress
Possible
How to tell: The leaves curl inward during the hottest part of the day to conserve moisture. If they flatten out again at night, the plant is just trying to stay cool.
What to do: Move your plant to a spot that gets afternoon shade. Ensure you are watering every 3 to 7 days when the top inch of soil feels dry.

Curling leaves on other plants

Find out what's wrong with your ivy-leaved geranium

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

Worry if the leaves stay curled even when the plant is cool and hydrated. If the leaves are also yellowing or dropping, the plant is likely suffering from a deeper issue.

Stopping it coming back

Keep your plant in a well ventilated area to discourage pests and avoid extreme heat exposure during the peak of summer.

Ivy-leaved geranium: curling leaves? Check yours with a photo

Every plant is a little different. Take a photo of your ivy-leaved geranium 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.

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Questions people ask

Will my leaves uncurl once I fix the problem?: Usually, the affected leaves will remain curled even after the stress is gone. Focus on the health of the new growth to see if the problem is solved.
Can I use neem oil for the aphids?: Yes, neem oil is effective against aphids on geraniums. Apply it in the evening to avoid burning the leaves in the sun.

Guides to these causes

Aphids

Why are my ivy-leaved geranium leaves curling?

Check these first

Not sure what's wrong with your ivy-leaved geranium?