Pocket Botanist
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Check these first
- Check the light levels in your planting area.
- Verify that you are not overwatering.
- Look for signs of pests that might be stressing the plant.
Likely causes
Too much sun
Most likelyHow to tell: The leaves look bleached or pale yellow, especially on the side facing the strongest light.
What to do: Move the plant to a spot with partial to full shade. Mondo grass prefers lower light levels to stay deep green.
Nutrient deficiency
PossibleHow to tell: The entire plant looks pale or yellow, and growth seems stunted.
What to do: Apply a balanced, slow release fertilizer once in the spring. Follow the package instructions for the correct amount.
Find out what's wrong with your mondo grass
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.
Scan with your phone's camera to get the app
Or go to pocketbotanist.app/get on your phone
When to worry
A few yellow leaves at the base are normal as the plant ages. If the whole plant is yellowing, it needs attention.
Stopping it coming back
Provide the right amount of shade and keep the soil moisture consistent to avoid stress.
Mondo grass: yellow leaves? Check yours with a photo
Every plant is a little different. Take a photo of your mondo grass 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.
Scan with your phone's camera to get the app
Or go to pocketbotanist.app/get on your phone
Get the app · Or check it from a photo now, free
Questions people ask
- Does Mondo grass need direct sun?
- No, it thrives in partial to full shade. Direct sun often causes the leaves to yellow or burn.
- Should I trim off the yellow leaves?
- Yes, you can trim them off with clean scissors to keep the plant looking neat. It will not hurt the plant.
More problems with Mondo grass
This article was generated with AI on from the plant’s care profile and is general information, not horticultural advice. Read about how we build these guides.