Troubleshooting
Daylily 'Wind Frills' problems — and how to fix them
Daylily 'Wind Frills' (Hemerocallis 'Wind Frills') 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.
Daylily rust
Orange spore masses on foliage; remove infected leaves promptly and apply a systemic fungicide if the problem spreads.
Aphids
Particularly attracted to buds; control with insecticidal soap solution or encourage aphid-eating insects in the garden.
Petal margin damage
Thrips and wind can damage the delicate ruffled edges; treat thrips early with neem oil and position in a sheltered spot if possible.
Botrytis
Grey mould affects spent blooms in wet spells; deadhead promptly and ensure good air circulation.
Clump congestion
Density reduces scape production; divide every 3-5 years to maintain the characteristic flower quality.
Prevent daylily 'wind frills' problems before they start
Most daylily 'wind frills' issues are care-mismatch, not bad luck. Dial in the basics:
Daylily 'Wind Frills' problems — FAQ
Why is my daylily 'wind frills' daylily rust?
Orange spore masses on foliage; remove infected leaves promptly and apply a systemic fungicide if the problem spreads.
Why is my daylily 'wind frills' aphids?
Particularly attracted to buds; control with insecticidal soap solution or encourage aphid-eating insects in the garden.
Why is my daylily 'wind frills' petal margin damage?
Thrips and wind can damage the delicate ruffled edges; treat thrips early with neem oil and position in a sheltered spot if possible.
Why is my daylily 'wind frills' botrytis?
Grey mould affects spent blooms in wet spells; deadhead promptly and ensure good air circulation.
Why is my daylily 'wind frills' clump congestion?
Density reduces scape production; divide every 3-5 years to maintain the characteristic flower quality.