Troubleshooting
Dryopteris affinis 'Cristata' problems — and how to fix them
Dryopteris affinis 'Cristata' (Dryopteris affinis 'Cristata') 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.
Scorched, bleached fronds
Too much direct sun or drying wind. Move to deeper shade and a more sheltered spot; keep soil moist.
Crispy brown frond tips
Soil dried out or air too dry. Increase watering and mulch the crown to retain moisture.
Vine weevil grubs
C-shaped white larvae chew roots, causing sudden wilting. Drench with nematodes in late summer or autumn; inspect rootballs of new plants.
Crown rot
Sitting in waterlogged, airless soil rots the central crown. Improve drainage and avoid burying the crown when planting.
Prevent dryopteris affinis 'cristata' problems before they start
Most dryopteris affinis 'cristata' issues are care-mismatch, not bad luck. Dial in the basics:
- Common scaly male fern problems — the species this cultivar belongs to
- What's wrong with my plant? — the diagnosis apps compared
- Dryopteris affinis 'Cristata' watering schedule
- Dryopteris affinis 'Cristata' light requirements
- Best soil mix for dryopteris affinis 'cristata'
- Dryopteris affinis 'Cristata' temperature & humidity
- Full dryopteris affinis 'cristata' care guide
Looking for dryopteris affinis 'cristata' in general rather than its problems? Read the full dryopteris affinis 'cristata' care guide — light, water, soil and feeding.
Dryopteris affinis 'Cristata' problems — FAQ
Why is my dryopteris affinis 'cristata' scorched, bleached fronds?
Too much direct sun or drying wind. Move to deeper shade and a more sheltered spot; keep soil moist.
Why is my dryopteris affinis 'cristata' crispy brown frond tips?
Soil dried out or air too dry. Increase watering and mulch the crown to retain moisture.
Why is my dryopteris affinis 'cristata' vine weevil grubs?
C-shaped white larvae chew roots, causing sudden wilting. Drench with nematodes in late summer or autumn; inspect rootballs of new plants.
Why is my dryopteris affinis 'cristata' crown rot?
Sitting in waterlogged, airless soil rots the central crown. Improve drainage and avoid burying the crown when planting.