Troubleshooting
Autumn Magic chokeberry problems — and how to fix them
Autumn Magic chokeberry (Aronia melanocarpa 'Autumn Magic') is generally forgiving once you match its basics, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Cedar-apple rust
Orange pustules on leaves and fruit when junipers are nearby. Remove infected material and avoid planting close to susceptible Juniperus hosts. Fungicide sprays at bud break help if pressure is high.
Leaf spot (Cercospora/Septoria)
Brown or tan spots on foliage in humid summers. Improve air circulation by thinning crowded stems. Collect and dispose of fallen leaves to reduce inoculum.
Suckering / thicket spread
'Autumn Magic' is more compact than straight species but still produces root suckers. Remove suckers at soil level each spring if a tidy, non-spreading form is desired.
Prevent autumn magic chokeberry problems before they start
Most autumn magic chokeberry issues are care-mismatch, not bad luck. Dial in the basics:
Autumn Magic chokeberry problems — FAQ
Why is my autumn magic chokeberry cedar-apple rust?
Orange pustules on leaves and fruit when junipers are nearby. Remove infected material and avoid planting close to susceptible Juniperus hosts. Fungicide sprays at bud break help if pressure is high.
Why is my autumn magic chokeberry leaf spot (cercospora/septoria)?
Brown or tan spots on foliage in humid summers. Improve air circulation by thinning crowded stems. Collect and dispose of fallen leaves to reduce inoculum.
Why is my autumn magic chokeberry suckering / thicket spread?
'Autumn Magic' is more compact than straight species but still produces root suckers. Remove suckers at soil level each spring if a tidy, non-spreading form is desired.