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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Evergreen Trees and Shrubs > Juniper > Foliage pale green to yellow

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Juniper > Needles > Foliage pale green to yellow

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  • Image: Rodent damage 1
  • Image: Rodent damage 2
  • Image: Rodent damage 3

Rodent damage

  • Bark is completely chewed from branches and stems
  • Majority of damage occurs in winter and early spring on braches or stems not protected by snow
  • Foliage turns yellow to brown on branches the bark was removed
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  • Image: Juniper scale 1
  • Image: Juniper scale 2
  • Image: Juniper scale 3

Juniper scale
Carulaspis juniper

  • White, spot-like, approximately 1/10 inch diameter cover needles
  • Dull green coloring of foliage is first sign of infestation
  • In high infestations entire plant may look sprinkled with snow
  • Foliage may turn yellow from insects sucking sap from needles, then brown and die as damage ages
  • New growth fails to develop normally on infested branches
  • More information on Juniper scale
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  • Image: Root rot 1
  • Image: Root rot 2
  • Image: Root rot 3

Root rot
Fusarium sp., Rhizoctonia solani, Phytophthora

  • Needles turn brown from the tips of the branches down
  • Roots are dark colored, soft and mushy
  • Occurs only on Junipers in heavy waterlogged soils
  • More information on Root rot

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