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Cornell Cooperative Extension

Suffolk County

  • Agriculture
  • Community Education
  • Gardening
  • Horticulture Labs
  • Marine
  • Energy
  • County Farm
  • 4-H
  • Peconic Dunes
  • Recursos en Español
Late Blight on tomato
Image by Cornell Horticulture Department

Late blight on tomato.

Cucumbers growing on a trellis, with wilt

Learn the best ways to minimize diseases in your garden.

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  • Vegetable Diseases
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Vegetable Diseases


Blossom-end Rot on Tomatoes

Early Blight and Septoria Leaf Spot of Tomatoes

Late Blight: A Serious Disease of Potatoes and Tomatoes

Late Blight Frequently Asked Questions

Late Blight - The latest information for 2011

Minimizing Vegetable Diseases

Fusarium and Verticillium Wilts on Tomatoes

Troubleshooting in the Home Vegetable Garden

2025 Fungicides for Home Vegetable Gardens

Contact

Alice Raimondo
Horticulture Consultant
aw242@cornell.edu
631-727-4126

Last updated April 29, 2025

Horticulture Factsheets

  • General Gardening Information
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  • Tree and Shrub Maintenance
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  • Tree and Shrub Disease
  • Flowers, Bulbs, and Ornamental Grasses
  • Small Fruit
  • Small Fruit Pests
  • Tree Fruit Growing
  • Tree Fruit Insect Pests
  • Tree Fruit Diseases
  • Indoor / Outdoor Insect Pests
  • Tick Biology and Control
  • Wildlife
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  • Christmas Trees
  • Integrated Pest Management
  • Poisonous Plants
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Cornell Cooperative Extension
Suffolk County

Extension Education Center
423 Griffing Avenue, Suite 100
Riverhead, New York 11901-3071
TEL: 631-727-7850
suffolk@cornell.edu
Hours: 8:30am-4:30pm

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