Horticulture/Pests and Diseases of Iris

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TODO

Note to Contributors:
The Pest and Disease list pages should always be included on the genus or genera page. These lists should eventually be replaced by a "troubleshooting" section. (This notice will not appear on printouts or on the including page.)

Use {{:Horticulture/Pests and Diseases of {{SUBPAGENAME}}}} to include the list below (place it just below "Pests and Diseases")

Pests[edit]

Aphids

Scales

Whiteflies

Mealybugs

Bugs

Thrips

Maggots

Beetles

Weevils

Caterpillars

Mites

Slugs and Snails

Voles

Diseases[edit]

Bacterial Leaf Spots

  • Xanthomonas tardicrescens

Soft Rots

Leaf Spots

  • Alternaria iridicola
  • Ascochyta iridis
  • Didymellina macrospora
  • Mycosphaerella
  • Phyllosticta iridis

Blights

Rots

Rusts

  • Puccinia iridis
  • Puccinia sessilis

Mosaic

  • Iris Mosaic Virus

Ringspot

Nematodes

Other Problems[edit]

Hollow centers -- Rhizomatous Irises dies out in the center if not divided every few years.