Pest identification
What's eating my peperomia 'peppermill'?
Mealybugs
Signs: Cottony white deposits in leaf axils and at the base of petioles; sticky leaves and possible yellowing
Control: Remove with alcohol swab; spray entire plant with dilute neem oil weekly for four weeks; dispose of any fallen leaves
Spider mites
Signs: Pale, dusty stippling across the green-and-gold variegated leaves; fine webbing under leaves in dry air
Control: Shower the plant with lukewarm water; apply insecticidal soap or neem oil on a 5–7 day cycle until clear
Fungus gnats
Signs: Root damage from larvae if compost stays persistently wet; wilting out of proportion to soil moisture
Control: Allow compost to partially dry between waterings; use yellow sticky traps; treat soil with Bti biological drench
Keep peperomia 'peppermill' pest-free
Healthy plants resist pests best. Get the basics right:
Peperomia 'Peppermill' pests — FAQ
What is eating my peperomia 'peppermill'?
Peperomia 'Peppermill' (P. obtusifolia 'Greengold') is a variegated, semi-succulent houseplant. Like all obtusifolia types, mealybugs are the chief pest, hiding in the leaf axils. Spider mites can strike in dry heated rooms. Both are controllable with prompt treatment — check the leaf joints where stem meets petiole most carefully.
How do I get rid of mealybugs on peperomia 'peppermill'?
Cottony white deposits in leaf axils and at the base of petioles; sticky leaves and possible yellowing Remove with alcohol swab; spray entire plant with dilute neem oil weekly for four weeks; dispose of any fallen leaves
How do I get rid of spider mites on peperomia 'peppermill'?
Pale, dusty stippling across the green-and-gold variegated leaves; fine webbing under leaves in dry air Shower the plant with lukewarm water; apply insecticidal soap or neem oil on a 5–7 day cycle until clear
How do I get rid of fungus gnats on peperomia 'peppermill'?
Root damage from larvae if compost stays persistently wet; wilting out of proportion to soil moisture Allow compost to partially dry between waterings; use yellow sticky traps; treat soil with Bti biological drench