Troubleshooting
Chrysanthemum 'Anastasia' problems — and how to fix them
Chrysanthemum 'Anastasia' (Chrysanthemum 'Anastasia') 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.
Aphids
Heavy infestations on new shoot tips cause distorted growth; control with insecticidal soap or introduce predatory insects such as Aphidoletes aphidimyza.
Leaf miners
Winding pale tunnels through leaves; remove affected leaves promptly and use yellow sticky traps to monitor adult fly populations.
White rust (Puccinia horiana)
A notifiable disease in some countries causing pale spots on upper leaf surfaces and white pustules below; destroy infected plants and do not compost.
Botrytis
Grey mould on flowers and stems in cool, humid conditions; improve airflow and remove infected material immediately.
Chrysanthemum eelworm
Brown blotches spreading from leaf base upward; infected plants should be destroyed — no chemical control is available for garden use.
Prevent chrysanthemum 'anastasia' problems before they start
Most chrysanthemum 'anastasia' issues are care-mismatch, not bad luck. Dial in the basics:
Chrysanthemum 'Anastasia' problems — FAQ
Why is my chrysanthemum 'anastasia' aphids?
Heavy infestations on new shoot tips cause distorted growth; control with insecticidal soap or introduce predatory insects such as Aphidoletes aphidimyza.
Why is my chrysanthemum 'anastasia' leaf miners?
Winding pale tunnels through leaves; remove affected leaves promptly and use yellow sticky traps to monitor adult fly populations.
Why is my chrysanthemum 'anastasia' white rust (puccinia horiana)?
A notifiable disease in some countries causing pale spots on upper leaf surfaces and white pustules below; destroy infected plants and do not compost.
Why is my chrysanthemum 'anastasia' botrytis?
Grey mould on flowers and stems in cool, humid conditions; improve airflow and remove infected material immediately.
Why is my chrysanthemum 'anastasia' chrysanthemum eelworm?
Brown blotches spreading from leaf base upward; infected plants should be destroyed — no chemical control is available for garden use.