Troubleshooting
Pompon Dahlia 'Jowey Mirella' problems — and how to fix them
Pompon Dahlia 'Jowey Mirella' (Dahlia 'Jowey Mirella') 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.
Tuber rot
Cold, wet soil or overwinter storage in damp conditions rots the tubers. Ensure sharp drainage, and store lifted tubers dry and frost-free.
Earwigs and slugs
Both chew young shoots and ragged holes in petals and leaves. Trap earwigs in straw-filled pots and protect emerging shoots from slugs.
Powdery mildew
White coating on leaves in humid late summer. Space plants for airflow, water at the base, and remove affected foliage.
Flopping stems
Tall, top-heavy flowering stems snap in wind or rain. Stake at planting and tie in as the plant grows.
Prevent pompon dahlia 'jowey mirella' problems before they start
Most pompon dahlia 'jowey mirella' issues are care-mismatch, not bad luck. Dial in the basics:
Looking for pompon dahlia 'jowey mirella' in general rather than its problems? Read the full pompon dahlia 'jowey mirella' care guide — light, water, soil and feeding.
Pompon Dahlia 'Jowey Mirella' problems — FAQ
Why is my pompon dahlia 'jowey mirella' tuber rot?
Cold, wet soil or overwinter storage in damp conditions rots the tubers. Ensure sharp drainage, and store lifted tubers dry and frost-free.
Why is my pompon dahlia 'jowey mirella' earwigs and slugs?
Both chew young shoots and ragged holes in petals and leaves. Trap earwigs in straw-filled pots and protect emerging shoots from slugs.
Why is my pompon dahlia 'jowey mirella' powdery mildew?
White coating on leaves in humid late summer. Space plants for airflow, water at the base, and remove affected foliage.
Why is my pompon dahlia 'jowey mirella' flopping stems?
Tall, top-heavy flowering stems snap in wind or rain. Stake at planting and tie in as the plant grows.