Troubleshooting
Daylily 'Nile Crane' problems — and how to fix them
Daylily 'Nile Crane' (Hemerocallis 'Nile Crane') 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.
Leaf streak
Brown streaking on foliage due to Aureobasidium infection; remove affected leaves, avoid overhead irrigation, and improve plant spacing.
Aphids
Cluster on emerging scapes and buds; treat early with insecticidal soap or horticultural oil before populations become large.
Wind damage
Tall spider-type scapes can snap in strong winds; stake in exposed garden positions or choose a sheltered site.
Rust
Orange-yellow spore pustules on leaves in humid summers; apply a fungicide registered for ornamental use and remove infected foliage.
Hemerocallis gall midge
Causes swollen, misshapen buds that fail to open; remove and destroy all affected scapes and buds immediately to prevent adult emergence.
Prevent daylily 'nile crane' problems before they start
Most daylily 'nile crane' issues are care-mismatch, not bad luck. Dial in the basics:
Daylily 'Nile Crane' problems — FAQ
Why is my daylily 'nile crane' leaf streak?
Brown streaking on foliage due to Aureobasidium infection; remove affected leaves, avoid overhead irrigation, and improve plant spacing.
Why is my daylily 'nile crane' aphids?
Cluster on emerging scapes and buds; treat early with insecticidal soap or horticultural oil before populations become large.
Why is my daylily 'nile crane' wind damage?
Tall spider-type scapes can snap in strong winds; stake in exposed garden positions or choose a sheltered site.
Why is my daylily 'nile crane' rust?
Orange-yellow spore pustules on leaves in humid summers; apply a fungicide registered for ornamental use and remove infected foliage.
Why is my daylily 'nile crane' hemerocallis gall midge?
Causes swollen, misshapen buds that fail to open; remove and destroy all affected scapes and buds immediately to prevent adult emergence.