Check these first
- Smell the soil for a foul or swampy odor.
- Check if the pot has drainage holes that are not blocked.
- Inspect the roots to see if they are firm and white or soft and brown.
Likely causes
Overwatering
Most likelyHow to tell: The leaves turn yellow and the stems feel soft near the soil line. The soil smells musty or sour.
What to do: Stop watering immediately and let the soil dry out. If the rot is severe, trim away the black, mushy roots and repot in fresh, well draining soil.
Poor Drainage
PossibleHow to tell: Water sits in the saucer for hours after you water. The soil remains heavy and wet for more than a week.
What to do: Ensure your pot has drainage holes at the bottom. Use a potting mix amended with perlite to improve airflow to the roots.
Find out what's wrong with your wild potato
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 turning black or mushy at the base, the rot is advanced and the plant may be difficult to save. If only a few roots are affected, you can usually save the plant with a repotting.
Stopping it coming back
Always check that the top inch of soil is dry before adding more water. Never let the pot sit in standing water.
Wild potato: root rot? Check yours with a photo
Every plant is a little different. Take a photo of your wild potato 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 the dead roots, wash the remaining healthy ones, and repot into fresh, dry soil.
- How often should I check the soil?
- Check the soil every 3 to 7 days by sticking your finger an inch deep. If it feels damp, wait another day or two.
More problems with Wild potato
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- Why are my wild potato leaves turning yellow?
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- Why is my Solanum etuberosum not blooming?
- Why are my Solanum etuberosum leaves curling?
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.

