Pest identification
What's eating my braun's holly fern?
Scale insects
Signs: Waxy brown or tan bumps on frond undersides and midribs; gradual yellowing and frond drop
Control: Scrub off with a damp cloth; swab with 70% isopropyl alcohol; apply neem oil spray every 7–10 days
Mealybugs
Signs: White cottony deposits in frond axils and on stipe bases; honeydew and sooty mold
Control: Remove manually with alcohol-soaked cotton; spray the whole plant with insecticidal soap; repeat weekly
Spider mites
Signs: Pale stippling and very fine webbing on frond surfaces, worse in heated winter rooms
Control: Increase humidity; rinse fronds under lukewarm water; apply insecticidal soap or neem oil spray
Keep braun's holly fern pest-free
Healthy plants resist pests best. Get the basics right:
Braun's Holly Fern pests — FAQ
What is eating my braun's holly fern?
Braun's Holly Fern (Polystichum braunii) grown as a houseplant is most threatened by scale insects and mealybugs that colonize its glossy, leathery fronds. Spider mites can develop in dry indoor conditions. Its dense, arching fronds create sheltered spots pests readily exploit — check the undersides carefully.
How do I get rid of scale insects on braun's holly fern?
Waxy brown or tan bumps on frond undersides and midribs; gradual yellowing and frond drop Scrub off with a damp cloth; swab with 70% isopropyl alcohol; apply neem oil spray every 7–10 days
How do I get rid of mealybugs on braun's holly fern?
White cottony deposits in frond axils and on stipe bases; honeydew and sooty mold Remove manually with alcohol-soaked cotton; spray the whole plant with insecticidal soap; repeat weekly
How do I get rid of spider mites on braun's holly fern?
Pale stippling and very fine webbing on frond surfaces, worse in heated winter rooms Increase humidity; rinse fronds under lukewarm water; apply insecticidal soap or neem oil spray