Troubleshooting
Lemon button fern problems — and how to fix them
Lemon button fern (Nephrolepis cordifolia) 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 fronds
Underwatering or low humidity.
Brown fronds
Dry soil or scorched by direct sun.
Spider mites
Stippling under fronds in dry rooms.
Runners on the soil
Normal stolons; pot up to propagate or trim.
Prevent lemon button fern problems before they start
Most lemon button fern issues are care-mismatch, not bad luck. Dial in the basics:
- Common lemon button fern problems — our other guide for the same plant
- What's wrong with my plant? — the diagnosis apps compared
- Lemon button fern watering schedule
- Lemon button fern light requirements
- Best soil mix for lemon button fern
- Lemon button fern temperature & humidity
- Full lemon button fern care guide
Looking for lemon button fern in general rather than its problems? Read the full lemon button fern care guide — light, water, soil and feeding.
Lemon button fern problems — FAQ
Why is my lemon button fern yellow fronds?
Underwatering or low humidity.
Why is my lemon button fern brown fronds?
Dry soil or scorched by direct sun.
Why is my lemon button fern spider mites?
Stippling under fronds in dry rooms.
Why is my lemon button fern runners on the soil?
Normal stolons; pot up to propagate or trim.