Extension > Garden > Diagnose a problem > What's wrong with my plant? > Annuals and Perennials > Ageratum > Malformed, cupped or distorted leaves
Ageratum > Leaves > Malformed, cupped or distorted leaves
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Plant growth regulator herbicide injury
(2, 4-D, Dicamba, etc.)
- Leaves are twisted, cupped, or distorted
- Leaves may appear thick and leathery
- Veins in leaves are thick and close together
- Above ground root formation
- 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
