Troubleshooting
Chrysanthemum 'Yellow John Wingfield' problems — and how to fix them
Chrysanthemum 'Yellow John Wingfield' (Chrysanthemum 'Yellow John Wingfield') 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 on growing tip
Distort the crown bud critical for exhibition; inspect weekly and treat immediately with insecticidal soap.
Earwigs
Feed on petals overnight, ruining show-quality blooms; trap in damp newspaper rolls placed around plants.
Botrytis
Grey mould on petals under cover in humid conditions; ensure ventilation when forcing indoors.
Verticillium wilt
Wilting despite moist soil; no chemical cure — destroy affected plants and use fresh compost.
Fasciation
Flattened, ribbon-like stems from bacterial or physical causes; remove and discard fasciated shoots.
Prevent chrysanthemum 'yellow john wingfield' problems before they start
Most chrysanthemum 'yellow john wingfield' issues are care-mismatch, not bad luck. Dial in the basics:
Chrysanthemum 'Yellow John Wingfield' problems — FAQ
Why is my chrysanthemum 'yellow john wingfield' aphids on growing tip?
Distort the crown bud critical for exhibition; inspect weekly and treat immediately with insecticidal soap.
Why is my chrysanthemum 'yellow john wingfield' earwigs?
Feed on petals overnight, ruining show-quality blooms; trap in damp newspaper rolls placed around plants.
Why is my chrysanthemum 'yellow john wingfield' botrytis?
Grey mould on petals under cover in humid conditions; ensure ventilation when forcing indoors.
Why is my chrysanthemum 'yellow john wingfield' verticillium wilt?
Wilting despite moist soil; no chemical cure — destroy affected plants and use fresh compost.
Why is my chrysanthemum 'yellow john wingfield' fasciation?
Flattened, ribbon-like stems from bacterial or physical causes; remove and discard fasciated shoots.