Pest identification
What's eating my mahonia charity?
Mahonia rust (Cumminsiella mirabilissima)
Signs: Orange-rusty pustules on leaf undersides, yellow spotting on the upper surface, defoliation in severe cases
Control: Remove and destroy affected leaves promptly; improve air flow; copper fungicide applied at first signs
Aphids
Signs: Colonies on soft shoot tips, sticky honeydew, distorted new leaflets
Control: Wash off with water; insecticidal soap spray; foster natural predators such as ladybirds
Vine weevil
Signs: Notched leaf margins from adult beetle feeding; larvae cause root damage and wilting in pots
Control: Nematode drench (Steinernema kraussei) in late summer; check root balls of container plants regularly
Keep mahonia charity pest-free
Healthy plants resist pests best. Get the basics right:
Mahonia Charity pests — FAQ
What is eating my mahonia charity?
Mahonia 'Charity' shares the typical Mahonia x media vulnerabilities: mahonia rust is the most damaging problem, producing orange pustules on leaf undersides. Aphids cluster on new growth in spring. Vine weevil grubs can attack container-grown specimens. Spiny foliage deters most large browsing animals effectively.
How do I get rid of mahonia rust (cumminsiella mirabilissima) on mahonia charity?
Orange-rusty pustules on leaf undersides, yellow spotting on the upper surface, defoliation in severe cases Remove and destroy affected leaves promptly; improve air flow; copper fungicide applied at first signs
How do I get rid of aphids on mahonia charity?
Colonies on soft shoot tips, sticky honeydew, distorted new leaflets Wash off with water; insecticidal soap spray; foster natural predators such as ladybirds
How do I get rid of vine weevil on mahonia charity?
Notched leaf margins from adult beetle feeding; larvae cause root damage and wilting in pots Nematode drench (Steinernema kraussei) in late summer; check root balls of container plants regularly