Pest identification
What's eating my aucuba japonica rozannie?
Aphids
Signs: Green aphid colonies on leaf undersides and shoot tips cause distorted new growth and sticky honeydew leading to sooty mold.
Control: Apply insecticidal soap or neem oil; introduce or protect ladybird beetles and lacewings. Forceful water sprays remove smaller colonies.
Vine weevil (Otiorhynchus sulcatus)
Signs: Notched leaf margins from adult weevils; invisible larval root damage causes wilting and plant death, especially in containers over winter.
Control: Use pathogenic nematodes (Steinernema kraussei) as a soil drench in late summer; repot and inspect roots annually.
Scale insects
Signs: Waxy scale deposits on stems and undersides reduce vigour and produce honeydew that encourages sooty mold.
Control: Spray horticultural oil at crawler stage; prune out heavily infested stems.
Keep aucuba japonica rozannie pest-free
Healthy plants resist pests best. Get the basics right:
Aucuba japonica Rozannie pests — FAQ
What is eating my aucuba japonica rozannie?
Aucuba japonica 'Rozannie' shares the same low-pest profile as the species. Aphids are the most frequently reported problem, causing leaf puckering and honeydew. Vine weevil is a risk in pot culture. The shrub is deer and rabbit resistant due to its leathery, bitter leaves. Good light and airflow keep most pest problems from establishing.
How do I get rid of aphids on aucuba japonica rozannie?
Green aphid colonies on leaf undersides and shoot tips cause distorted new growth and sticky honeydew leading to sooty mold. Apply insecticidal soap or neem oil; introduce or protect ladybird beetles and lacewings. Forceful water sprays remove smaller colonies.
How do I get rid of vine weevil (otiorhynchus sulcatus) on aucuba japonica rozannie?
Notched leaf margins from adult weevils; invisible larval root damage causes wilting and plant death, especially in containers over winter. Use pathogenic nematodes (Steinernema kraussei) as a soil drench in late summer; repot and inspect roots annually.
How do I get rid of scale insects on aucuba japonica rozannie?
Waxy scale deposits on stems and undersides reduce vigour and produce honeydew that encourages sooty mold. Spray horticultural oil at crawler stage; prune out heavily infested stems.