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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous > Lilac > Dense clusters of twigs

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Lilac > Stems/branches > Dense clusters of twigs

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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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