Is it normal for leaves to curl in the sun?

Yes, some plants curl leaves to reduce surface area and prevent water loss in extreme heat. It should recover by evening.

Should I mist the leaves?

Misting does not really help with curling. Focus on deep watering of the soil instead.

Why are my common toadflax leaves curling? Causes and fixes

Check these first

Touch the soil to see if it is bone dry.
Observe if the curling happens only in the afternoon heat.
Check for signs of pests that might be causing leaf distortion.

Likely causes

Heat stress
Possible
How to tell: The leaves curl inward during the hottest part of the day to conserve moisture. The plant may look slightly wilted.
What to do: Ensure the plant is watered deeply during dry spells. If it is in a container, move it to a spot with afternoon shade.
Underwatering
Possible
How to tell: The leaves feel dry or crispy and curl at the edges. The soil will be completely dry to the touch.
What to do: Give the plant a thorough soaking until water runs out of the drainage holes. Maintain a consistent watering schedule every 7 to 14 days.

Curling leaves on other plants

Find out what's wrong with your common toadflax

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

If the leaves stay curled even after watering and cooling down, there may be root damage. Temporary curling in high heat is normal.

Stopping it coming back

Keep the soil consistently moist but not soggy. Provide mulch around the base to keep the roots cool.

Common toadflax: curling leaves? Check yours with a photo

Every plant is a little different. Take a photo of your common toadflax 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

Is it normal for leaves to curl in the sun?: Yes, some plants curl leaves to reduce surface area and prevent water loss in extreme heat. It should recover by evening.
Should I mist the leaves?: Misting does not really help with curling. Focus on deep watering of the soil instead.

Guides to these causes

Dehydration

Why are my common toadflax leaves curling?

Check these first

Not sure what's wrong with your common toadflax?