Troubleshooting
Daylily 'So Lovely' problems — and how to fix them
Daylily 'So Lovely' (Hemerocallis 'So Lovely') 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
Appear on new growth and buds; remove with a strong water spray or use insecticidal soap solution.
Daylily rust
Orange pustules on leaves; remove infected foliage and apply a systemic fungicide if the problem persists.
Thrips
Lead to silvery streaking on petals; control with neem oil or pyrethrin-based sprays applied in the early morning.
Leaf streak
Yellow-brown streaking caused by Aureobasidium microstictum; rake up and destroy affected leaf debris at the end of the season.
Overcrowding
Clumps that are too dense produce smaller blooms; divide every 3-4 years to revitalise the planting.
Prevent daylily 'so lovely' problems before they start
Most daylily 'so lovely' issues are care-mismatch, not bad luck. Dial in the basics:
Daylily 'So Lovely' problems — FAQ
Why is my daylily 'so lovely' aphids?
Appear on new growth and buds; remove with a strong water spray or use insecticidal soap solution.
Why is my daylily 'so lovely' daylily rust?
Orange pustules on leaves; remove infected foliage and apply a systemic fungicide if the problem persists.
Why is my daylily 'so lovely' thrips?
Lead to silvery streaking on petals; control with neem oil or pyrethrin-based sprays applied in the early morning.
Why is my daylily 'so lovely' leaf streak?
Yellow-brown streaking caused by Aureobasidium microstictum; rake up and destroy affected leaf debris at the end of the season.
Why is my daylily 'so lovely' overcrowding?
Clumps that are too dense produce smaller blooms; divide every 3-4 years to revitalise the planting.