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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Annuals and Perennials > Roses > Frothy mass on stems

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Roses > Stem > Frothy mass on stems

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  • Image: Spittlebugs 1
  • Image: Spittlebugs 2


  • Active May into June
  • Frothy, spittle-like mass
  • Small, 1/4 inch long, greenish insect underneath
  • No apparent damage to plant

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