Troubleshooting
Lima beans problems — and how to fix them
Lima beans (Phaseolus lunatus) 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.
Slow start
Cold soil; wait until soil is above 18°C.
Flower drop
Heatwaves above 35°C; mulch and water deeply.
Aphids
Common; rinse off or use soap.
Pod splits
Heavy watering after drought.
Mexican bean beetle
Hand-pick larvae and adults.
Prevent lima beans problems before they start
Most lima beans issues are care-mismatch, not bad luck. Dial in the basics:
Lima beans problems — FAQ
Why is my lima beans slow start?
Cold soil; wait until soil is above 18°C.
Why is my lima beans flower drop?
Heatwaves above 35°C; mulch and water deeply.
Why is my lima beans aphids?
Common; rinse off or use soap.
Why is my lima beans pod splits?
Heavy watering after drought.
Why is my lima beans mexican bean beetle?
Hand-pick larvae and adults.