Pocket Botanist
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Check these first
- Check the soil moisture with your finger.
- Look for signs of standing water.
- Inspect the underside of leaves for pests.
Likely causes
Overwatering
Most likelyHow to tell: The soil feels soggy and the yellowing starts on the lower leaves.
What to do: Let the top inch of soil dry out before watering again. Ensure your containers or garden beds have excellent drainage.
Nitrogen deficiency
PossibleHow to tell: Older leaves turn pale yellow while the plant growth slows down.
What to do: Apply a balanced organic fertilizer or compost tea. Beans usually fix their own nitrogen, so ensure you have used a legume inoculant at planting.
Find out what's wrong with your common bean
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 yellowing spreads rapidly to the entire plant, it may be a sign of root rot. A few yellow leaves at the very bottom of the plant are usually normal as it ages.
Stopping it coming back
Maintain consistent moisture without letting the soil stay waterlogged.
Common Bean: yellow leaves? Check yours with a photo
Every plant is a little different. Take a photo of your common bean 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
- Should I remove yellow leaves?
- Yes, it is best to snip them off so the plant can focus its energy on healthy growth.
- Can too much sun cause yellowing?
- Usually not, as beans love full sun. If they are yellowing in high heat, they might just be thirsty.
More problems with Common Bean
- Why are there dark spots on my common bean leaves?
- What is eating my common bean leaves?
- Why is my common bean plant drooping?
- Why is my common bean plant growing leggy?
- Why are my common bean leaves getting brown tips?
- Why are my common bean leaves falling off?
- Why is my common bean not producing flowers?
- How do I fix root rot in my common bean?
- Why are my common bean 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.