Pocket Botanist
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Check these first
- Touch the soil to see if it is dry.
- Check for signs of pests on the underside of the leaves.
- Inspect the base of the stems for rot.
Likely causes
Inconsistent watering
Most likelyHow to tell: The soil feels dry to the touch and the leaves look limp before turning yellow.
What to do: Water your celery every 2 to 4 days to keep the soil evenly moist. Use a layer of mulch around the base to help hold moisture in the ground.
Nitrogen deficiency
PossibleHow to tell: Older, lower leaves turn pale yellow while the rest of the plant looks stunted.
What to do: Apply a balanced, nitrogen rich liquid fertilizer every 2 weeks. Follow the package instructions to avoid burning the shallow roots.
Find out what's wrong with your celery
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
It is normal for the very bottom, oldest leaves to yellow as the plant matures. Worry if the yellowing spreads rapidly to the younger, inner leaves.
Stopping it coming back
Maintain a strict watering schedule and feed your plants regularly throughout the growing season.
Celery: yellow leaves? Check yours with a photo
Every plant is a little different. Take a photo of your celery 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 eat yellow celery leaves?
- It is best to remove them. They will not taste good and do not provide much nutrition to the plant.
- Does too much sun cause yellowing?
- Yes, if the plant is not getting enough water, intense sun will scorch the leaves and cause them to yellow.
More problems with Celery
- Why are the tips of my celery leaves turning brown?
- Why is my celery plant drooping?
- Why does my celery have spots on its leaves?
- What is eating my celery leaves?
- Why is my celery dropping its leaves?
- Why is my celery plant wilting and the roots look mushy?
- Why are my celery stalks growing tall and thin?
- Why are my celery leaves curling up?
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.