Troubleshooting
Fordhook Lima Bean problems — and how to fix them
Fordhook Lima Bean (Phaseolus lunatus 'Fordhook') 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 germination / seed rot in cool soil
Lima beans rot rather than sprout in soil below 18 °C. They require warmer conditions than snap beans. Wait until soil is reliably above 21 °C, or pre-warm beds with black plastic mulch. Treat seed with a fungicide dust if soil is borderline.
Two-spotted spider mite
Fine stippling and webbing on leaf undersides in hot, dry conditions. Keep plants well-watered; apply insecticidal soap or neem oil in the early morning. Overhead watering can help suppress mite populations temporarily.
Pod drop at high temperatures
Temperatures above 35 °C during pod fill cause immature pods to abort. 'Fordhook' is one of the more heat-tolerant lima cultivars, but extremes still cause losses. Mulch heavily, irrigate during the hottest part of the day, and consider shade cloth if heat stress is severe.
Prevent fordhook lima bean problems before they start
Most fordhook lima bean issues are care-mismatch, not bad luck. Dial in the basics:
- Common lima beans problems — the species this cultivar belongs to
- What's wrong with my plant? — the diagnosis apps compared
- Fordhook Lima Bean watering schedule
- Fordhook Lima Bean light requirements
- Best soil mix for fordhook lima bean
- Fordhook Lima Bean temperature & humidity
- Full fordhook lima bean care guide
Looking for fordhook lima bean in general rather than its problems? Read the full fordhook lima bean care guide — light, water, soil and feeding.
Fordhook Lima Bean problems — FAQ
Why is my fordhook lima bean slow germination / seed rot in cool soil?
Lima beans rot rather than sprout in soil below 18 °C. They require warmer conditions than snap beans. Wait until soil is reliably above 21 °C, or pre-warm beds with black plastic mulch. Treat seed with a fungicide dust if soil is borderline.
Why is my fordhook lima bean two-spotted spider mite?
Fine stippling and webbing on leaf undersides in hot, dry conditions. Keep plants well-watered; apply insecticidal soap or neem oil in the early morning. Overhead watering can help suppress mite populations temporarily.
Why is my fordhook lima bean pod drop at high temperatures?
Temperatures above 35 °C during pod fill cause immature pods to abort. 'Fordhook' is one of the more heat-tolerant lima cultivars, but extremes still cause losses. Mulch heavily, irrigate during the hottest part of the day, and consider shade cloth if heat stress is severe.