Troubleshooting
Dahlia 'Gallery Art Deco' problems — and how to fix them
Dahlia 'Gallery Art Deco' (Dahlia 'Gallery Art Deco') 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.
Slugs and snails
Attack low young shoots and chew leaves and petals on this short plant; protect emerging growth with barriers or wildlife-safe controls.
Earwigs
Damage petals and leaves overnight; trap in straw-filled inverted pots and empty them each morning.
Container drying out
Patio pots wilt fast in heat; check daily in summer and use a moisture-retentive loam-based compost.
Powdery mildew
White coating on leaves in crowded, humid late summer; space plants, improve airflow, and water at the base.
Prevent dahlia 'gallery art deco' problems before they start
Most dahlia 'gallery art deco' issues are care-mismatch, not bad luck. Dial in the basics:
Looking for the species overview? Dahlia — the full care guide.
Dahlia 'Gallery Art Deco' problems — FAQ
Why is my dahlia 'gallery art deco' slugs and snails?
Attack low young shoots and chew leaves and petals on this short plant; protect emerging growth with barriers or wildlife-safe controls.
Why is my dahlia 'gallery art deco' earwigs?
Damage petals and leaves overnight; trap in straw-filled inverted pots and empty them each morning.
Why is my dahlia 'gallery art deco' container drying out?
Patio pots wilt fast in heat; check daily in summer and use a moisture-retentive loam-based compost.
Why is my dahlia 'gallery art deco' powdery mildew?
White coating on leaves in crowded, humid late summer; space plants, improve airflow, and water at the base.