Extension > Garden > Diagnose a problem > What's wrong with my plant? > Annuals and Perennials > Salvia > Malformed or distorted leaves
Salvia > Leaves > Malformed or distorted leaves
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Plant growth regulator herbicide injury
- Leaves are twisted, cupped, or distorted
- Leaves may appear thick and leathery
- Veins in leaves are thick and close together
- Side of the plant closest to the herbicide application is most severely affected
- Different species of plants in spray area will show similar symptoms
- More information on Plant growth regulator herbicide injury
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Downy Mildew
Pernospora lamii
- Plants become yellow in color and stunted
- Large brown angular blotches may appear on leaves
- Leaves may curl slightly downward
- Grayish brown to purplish fungal growth can be found on underside of leaves in humid conditions
- Infected leaves prematurely drop from the plant leaving a barren stalk with few leaves
- Cool, wet weather favors disease
- More information on Downey mildew
