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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Annuals and Perennials > Cosmos > Entire plant or branch wilts

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Cosmos > Plant > Entire plant or branch wilts

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  • White mold 1
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White Mold
Sclerotinia sclerotiorum

  • Entire plant or single branch wilts, leaves turn brown and die
  • Wilted stems are discolored, tan to off-white
  • Fluffy, white cotton-like fungal growth may been seen on infected plants when humidity is high
  • Black hard spheres ranging in size from 1/16 to 1/2 inch can be found clinging to the outside an infected stem or embedded inside the dead stem
  • Entire plant or single branch wilts, leaves turn brown and die
  • More information on white mold

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