Troubleshooting
Daylily 'Tiger Bloodlines' problems — and how to fix them
Daylily 'Tiger Bloodlines' (Hemerocallis 'Tiger Bloodlines') 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
Produces orange-yellow spore pustules on foliage; rake up and destroy infected leaves and treat with a systemic fungicide if severe.
Aphids
Congregate on buds and new growth in spring; blast off with water or use insecticidal soap spray.
Thrips
Cause petal streaking and can distort the distinctive eye-zone markings; treat with spinosad or neem oil early in the season.
Slug and snail damage
Target young foliage in spring; iron phosphate baits are effective and safe around other wildlife.
Clump decline
Overcrowded clumps produce fewer and smaller blooms; lift and divide every 4-5 years to restore vigour.
Prevent daylily 'tiger bloodlines' problems before they start
Most daylily 'tiger bloodlines' issues are care-mismatch, not bad luck. Dial in the basics:
Daylily 'Tiger Bloodlines' problems — FAQ
Why is my daylily 'tiger bloodlines' daylily rust?
Produces orange-yellow spore pustules on foliage; rake up and destroy infected leaves and treat with a systemic fungicide if severe.
Why is my daylily 'tiger bloodlines' aphids?
Congregate on buds and new growth in spring; blast off with water or use insecticidal soap spray.
Why is my daylily 'tiger bloodlines' thrips?
Cause petal streaking and can distort the distinctive eye-zone markings; treat with spinosad or neem oil early in the season.
Why is my daylily 'tiger bloodlines' slug and snail damage?
Target young foliage in spring; iron phosphate baits are effective and safe around other wildlife.
Why is my daylily 'tiger bloodlines' clump decline?
Overcrowded clumps produce fewer and smaller blooms; lift and divide every 4-5 years to restore vigour.