Troubleshooting
Boston fern problems — and how to fix them
Boston fern (Nephrolepis exaltata) 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.
Brown frond tips
Low humidity or tap-water minerals.
Yellow fronds
Underwatering, sudden drying out, or too much direct sun.
Massive frond shedding
Acclimation shock or a sudden change in humidity; trim back and improve conditions.
Pale fronds
Insufficient light or under-feeding.
Prevent boston fern problems before they start
Most boston fern issues are care-mismatch, not bad luck. Dial in the basics:
Boston fern problems — FAQ
Why is my boston fern brown frond tips?
Low humidity or tap-water minerals.
Why is my boston fern yellow fronds?
Underwatering, sudden drying out, or too much direct sun.
Why is my boston fern massive frond shedding?
Acclimation shock or a sudden change in humidity; trim back and improve conditions.
Why is my boston fern pale fronds?
Insufficient light or under-feeding.