Extension > Garden > Diagnose a problem > What's wrong with my plant? > Annuals and Perennials > Daylily > Spots on leaves
Daylily > Spots on leaves
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Leaf Streak
Collecephalus hemerocalli
- Starts out as tan to brown oval-shaped spots surrounded by a yellow halo
- Spots grow into long brown streaks, often with broad yellow borders
- Severely infected leaves may turn completely brown and dry up
- Severely infected plants may produce fewer flowers
- More information on Leaf Streak
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Daylily Rust
Puccinia hemerocallidis
- Bright orange or yellow raised blister-like spots on leaves
- Powdery orange spores easily rub off leaf spots and can be seen on a white tissue
- Leaf tissue around leaf spots may grow into long yellow or brown streaks
- In severely infected plants, leaf spots may grow into long yellow or brown streaks, leaves may turn brown and dry up
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Southern Blight
Sclerotium rolfsii
- Leaves turn yellow then brown from the edges inward and wilt
- The base of the stem may be brown or discolored
- Tiny tan to reddish brown hard spheres and white cottony growth can be seen at the base of infected leaves or in the soil around infected plants
- Often seen after warm, wet weather
