Pocket Botanist
Check these first
- Smell the soil for a sour odor.
- Check if the pot has working drainage holes.
- Feel the base of the stems for mushiness.
Likely causes
Overwatering
Most likelyHow to tell: The stems become mushy at the base and the plant begins to wilt despite the soil feeling damp. You might also notice a sour or swampy smell coming from the soil.
What to do: Stop watering immediately and let the top 2 inches of soil dry out. If the plant is in a pot, remove it to inspect the roots and trim away any that are black or slimy. Repot into fresh, well draining soil.
Poor Drainage
PossibleHow to tell: Water sits on the surface of the soil for a long time after you water. The plant looks stunted and fails to grow even during the active season.
What to do: Ensure your container has adequate drainage holes at the bottom. Mix perlite or coarse sand into your potting mix to improve airflow and water movement.
Find out what's wrong with your upright hedge parsley
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.
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When to worry
If the stems are turning black and collapsing, the rot has likely reached the crown and the plant may not recover. It is normal for the plant to look slightly tired if it has just been repotted.
Stopping it coming back
Only water when the top inch of soil feels dry to the touch and always empty the saucer under the pot after watering.
Upright hedge parsley: root rot? Check yours with a photo
Every plant is a little different. Take a photo of your upright hedge parsley 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.
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Or go to pocketbotanist.app/get on your phone
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Questions people ask
- Can I save a plant with root rot?
- Yes, if you catch it early. Trim the damaged roots, use fresh soil, and be very careful with your watering schedule afterward.
- How often should I check the roots?
- You only need to check the roots if the plant shows signs of distress like wilting or yellowing leaves. Otherwise, leave the root system undisturbed.
More problems with upright hedge parsley
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Back to the upright hedge parsley 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.