Troubleshooting
Chrysanthemum 'Hillside Pink Sheffield' problems — and how to fix them
Chrysanthemum 'Hillside Pink Sheffield' (Chrysanthemum 'Hillside Pink Sheffield') 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.
Powdery mildew
Can affect foliage in late summer, especially on the lower leaves of this vigorous spreader; improve airflow and remove affected leaves.
Botrytis on autumn blooms
Grey mould on petals during damp autumns; remove spent flowers and debris from around the base of the plant.
Crown rot
Excessive winter moisture in heavy soils causes crown rot; improve drainage before planting and mulch the crown lightly after foliage dies back.
Aphids
Appear on new shoot tips in spring; control early with insecticidal soap to prevent colonies building up before flowering.
Slugs
Damage emerging spring shoots; biological nematode treatments are effective and safe around pets when applied correctly.
Prevent chrysanthemum 'hillside pink sheffield' problems before they start
Most chrysanthemum 'hillside pink sheffield' issues are care-mismatch, not bad luck. Dial in the basics:
Chrysanthemum 'Hillside Pink Sheffield' problems — FAQ
Why is my chrysanthemum 'hillside pink sheffield' powdery mildew?
Can affect foliage in late summer, especially on the lower leaves of this vigorous spreader; improve airflow and remove affected leaves.
Why is my chrysanthemum 'hillside pink sheffield' botrytis on autumn blooms?
Grey mould on petals during damp autumns; remove spent flowers and debris from around the base of the plant.
Why is my chrysanthemum 'hillside pink sheffield' crown rot?
Excessive winter moisture in heavy soils causes crown rot; improve drainage before planting and mulch the crown lightly after foliage dies back.
Why is my chrysanthemum 'hillside pink sheffield' aphids?
Appear on new shoot tips in spring; control early with insecticidal soap to prevent colonies building up before flowering.
Why is my chrysanthemum 'hillside pink sheffield' slugs?
Damage emerging spring shoots; biological nematode treatments are effective and safe around pets when applied correctly.