Is curling a sign of disease?

Sometimes, but it is usually environmental. Check for powdery mildew, which can also cause leaf distortion.

Should I trim the curled leaves?

Only trim them if they are brown and crispy. If they are still green, they may recover once the plant is hydrated.

Why are my Marsh woundwort leaves curling? Causes and fixes

Check these first

Check if the soil is dry below the surface.
Observe if the curling happens only during the hottest hours.

Likely causes

Water Stress
Most likely
How to tell: The leaves curl inward and feel dry or brittle to the touch.
What to do: Water the plant deeply every 2 to 4 days to keep the soil damp. Mulch around the base to help retain moisture in the soil.
Heat Stress
Possible
How to tell: Leaves curl during the hottest part of the day but may recover at night.
What to do: Provide partial shade during the peak afternoon sun. Ensure the plant is well hydrated to help it cope with high temperatures.

Curling leaves on other plants

Find out what's wrong with your marsh woundwort

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, the roots may be damaged. It is normal for leaves to curl slightly in extreme heat as a defense mechanism.

Stopping it coming back

Maintain a strict watering schedule and provide protection from intense afternoon sun.

Marsh woundwort: curling leaves? Check yours with a photo

Every plant is a little different. Take a photo of your marsh woundwort 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 curling a sign of disease?: Sometimes, but it is usually environmental. Check for powdery mildew, which can also cause leaf distortion.
Should I trim the curled leaves?: Only trim them if they are brown and crispy. If they are still green, they may recover once the plant is hydrated.

Why are my Marsh woundwort leaves curling?