Pest identification
What's eating my japanese pieris 'mountain fire'?
Andromeda lace bug (Stephanitis takeyai)
Signs: Silvery stippling and bleaching across upper leaf surface; dark resinous spots on undersides; worst on sun-exposed plants
Control: Move to part shade; insecticidal soap or neem oil on undersides; horticultural oil in late winter; remove weeds at base
Vine weevil (Otiorhynchus sulcatus)
Signs: Notched leaf edges (adults); root destruction by white larvae causes sudden collapse — especially in pots
Control: Nematode soil drench (Steinernema kraussei) in late summer; gritty, free-draining compost; sticky barriers
Deer
Signs: Conspicuous red new growth browsed aggressively; stems snapped
Control: Deer repellent spray on new growth; wire guard; plant behind fencing
Keep japanese pieris 'mountain fire' pest-free
Healthy plants resist pests best. Get the basics right:
- What eats japanese pieris — the species this cultivar belongs to
- What's wrong with my plant? — the diagnosis apps compared
- Common japanese pieris 'mountain fire' problems & fixes
- Japanese Pieris 'Mountain Fire' watering schedule
- Japanese Pieris 'Mountain Fire' light requirements
- Full japanese pieris 'mountain fire' care guide
Japanese Pieris 'Mountain Fire' pests — FAQ
What is eating my japanese pieris 'mountain fire'?
Japanese Pieris 'Mountain Fire' is most seriously damaged by the Andromeda lace bug, which bleaches and stipples foliage. Vine weevil grubs destroy roots in containers. Deer heavily browse the new red growth. In the UK, rhododendron leafhopper and vine weevil dominate; in the US, lace bugs are the primary season-long pest.
How do I get rid of andromeda lace bug (stephanitis takeyai) on japanese pieris 'mountain fire'?
Silvery stippling and bleaching across upper leaf surface; dark resinous spots on undersides; worst on sun-exposed plants Move to part shade; insecticidal soap or neem oil on undersides; horticultural oil in late winter; remove weeds at base
How do I get rid of vine weevil (otiorhynchus sulcatus) on japanese pieris 'mountain fire'?
Notched leaf edges (adults); root destruction by white larvae causes sudden collapse — especially in pots Nematode soil drench (Steinernema kraussei) in late summer; gritty, free-draining compost; sticky barriers
How do I get rid of deer on japanese pieris 'mountain fire'?
Conspicuous red new growth browsed aggressively; stems snapped Deer repellent spray on new growth; wire guard; plant behind fencing