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Spring 2019 Tree Fruit Spray Update

Posted by WSU Extension | May 7, 2019

  • Apple and Pear Trees:
    Codling Moth eggs will start hatching May 9th (385 DD), first sprays should be applied by May 12th. (Mother’s Day)
  • Cherry Trees:
    Western Cherry Fruit Fly sprays should start May 19th (1100 DD)
  • Spinosad insecticide is recommended for control of both Codling Moth larvae and Western Cherry Fruit Fly.
  • Continued sprays should be applied per label until all fruit is removed from tree.

Visit the Horticultural Pest & Disease page for additional information.