Check these first
- Touch the soil to see if it feels soggy or swampy.
- Lift the pot to check if water is trapped in the saucer.
- Smell the soil for a sour or rotten odor.
Likely causes
Overwatering
Most likelyHow to tell: The leaves turn yellow or mushy, and the stems feel soft near the soil line.
What to do: Stop watering immediately and let the top 2 inches of soil dry out completely. If the soil is waterlogged, repot the plant into fresh, well draining potting mix and trim away any black or slimy roots.
Poor Drainage
PossibleHow to tell: Water sits on the surface of the soil for a long time after watering, and the pot feels heavy.
What to do: Ensure your pot has drainage holes at the bottom. If it does not, move the plant to a container that allows excess water to escape freely.
Find out what's wrong with your whitemouth dayflower
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
If the stems are collapsing or turning black at the base, the rot is advanced. It is normal for the oldest bottom leaves to yellow occasionally, but widespread mushiness is a sign of trouble.
Stopping it coming back
Always check that the top inch of soil is dry before adding more water. Use a potting mix amended with perlite to improve drainage.
Whitemouth dayflower: root rot? Check yours with a photo
Every plant is a little different. Take a photo of your whitemouth dayflower 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
- Can I save a plant with root rot?
- Yes, if you catch it early. Trim away the dead roots, wash the remaining healthy roots, and repot in fresh, dry soil.
- How often should I water to avoid rot?
- Water every 3 to 7 days, but always use the finger test. If the soil is still damp, wait another day or two before watering again.
More problems with Whitemouth dayflower
- Why is my Whitemouth dayflower drooping?
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- Why is my Commelina erecta losing its leaves?
- Why is my Commelina erecta not blooming?
- Why are my Commelina erecta leaves curling?
Back to the Whitemouth dayflower guide
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.

