Troubleshooting
Bean problems — and how to fix them
Bean (Phaseolus vulgaris) is generally forgiving once you match its basics, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Yellow leaves
Cold wet soil, bean rust, or mosaic virus.
Full bean yellow leaves diagnosis →Curling leaves
Aphids or thrips.
Full bean curling leaves diagnosis →Brown leaf spots
Bean rust or anthracnose.
Full bean brown leaf spots diagnosis →No pods
Heat above 32°C aborts flowers; protect with afternoon shade.
Prevent bean problems before they start
Most bean issues are care-mismatch, not bad luck. Dial in the basics:
Bean problems — FAQ
Why is my bean yellow leaves?
Cold wet soil, bean rust, or mosaic virus.
Why is my bean curling leaves?
Aphids or thrips.
Why is my bean brown leaf spots?
Bean rust or anthracnose.
Why is my bean no pods?
Heat above 32°C aborts flowers; protect with afternoon shade.