Should I remove the yellow leaves?

Yes, you can snip off yellow leaves to keep the plant looking tidy and prevent potential rot.

Can yellow leaves turn green again?

No, once a leaf has turned yellow, it will not turn green again. Focus on preventing the yellowing from spreading to new growth.

Corn Cockle: yellow leaves, causes and fixes

Check these first

Touch the top inch of soil to check moisture.
Check the drainage holes in your pot.
Look for signs of pests on the undersides of the leaves.

Likely causes

Overwatering
Most likely
How to tell: The lower leaves turn yellow and feel soft or mushy. The soil stays wet for long periods.
What to do: Let the top inch of soil dry out completely before watering again. Ensure your pot has drainage holes to prevent water from pooling.
Underwatering
Possible
How to tell: Leaves turn yellow and crispy, starting from the edges. The soil feels bone dry to the touch.
What to do: Water the plant thoroughly until water runs out of the drainage holes. Maintain a schedule of watering every 3 to 7 days.

Yellow leaves on other plants

Find out what's wrong with your corn cockle

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

A few yellow leaves at the very base of the plant are normal as it ages. If the yellowing spreads to the top of the plant, address it immediately.

Stopping it coming back

Follow a consistent watering schedule and ensure the soil drains well.

Corn Cockle: yellow leaves? Check yours with a photo

Every plant is a little different. Take a photo of your corn cockle 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

Should I remove the yellow leaves?: Yes, you can snip off yellow leaves to keep the plant looking tidy and prevent potential rot.
Can yellow leaves turn green again?: No, once a leaf has turned yellow, it will not turn green again. Focus on preventing the yellowing from spreading to new growth.

Guides to these causes

Dehydration

Why are my Corn Cockle leaves turning yellow?