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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous > Lilac > Cupped or deformed leaves

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Lilac > Leaves > Cupped or deformed leaves

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  • herbicideinjury1
  • herbicideinjury2
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Herbicide Injury

  • Leaves cupped or otherwise deformed
  • Leaves or leaf veins discolored yellow, often appear chlorotic
  • Killed weeds are found nearby
  • If injury is severe, leaves may become brittle and fall from shrub and stems may dieback
  • More information on Herbicide Injury...
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  • witchesbroom1
  • witchesbroom2
  • witchesbroom3
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Witches' Broom
Candidatus Phytoplasma fraxini

  • Dense clusters of short, thin twigs originate from one area of stem
  • Leaves may be small, distorted and yellow
  • Brooms are common at the ends of branches and clustered at the very base of the plant
  • Entire canopy is pale green to yellow, some leaves with brown margins
  • Branches may die and shrub will decline
  • More information on Witches' Broom...

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