Extension > Garden > Diagnose a problem > What's wrong with my plant? > Annuals and Perennials > Coleus > Cupped or distorted leaves
Coleus > Leaves > Cupped or distorted leaves
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Impatiens Necrotic Spot Virus (INSV)
- Symptoms are extremely variable
- Stunted growth and wilting may occur
- Leaf distortion; ringspots or black spots on leaves and stems; blackish/purplish coloration along leaf veins
- Tip dieback and in some cases entire plant will collapse
- Lab test needed to identify INSV since it is difficult to diagnose on symptoms alone
- For more information on INSV
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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
