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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Annuals and Perennials > Coleus > Cupped or distorted leaves

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Coleus > Leaves > Cupped or distorted leaves

1 of 2
  • Plant virus 1
  • Plant virus 2
  • Plant virus 2

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...
2 of 2
  • Plant virus 1
  • Plant virus 2
  • Plant virus 2

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...

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