Cornell Vegetable Program Enrollment

Program Areas

  • Food Safety
  • Variety Evaluation
  • Market Development
  • Pest Management
  • Cultural Practices

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  • Telephone / Email Consultations
  • VegEdge Newsletter
  • Direct Mailings
  • Educational Meetings & Conferences
  • In-Field Educational Opportunities
  • On-Farm Research Trials

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Lettuce / Leafy Greens

Lettuce / Leafy Greens Two dozen or more types of leafy greens are grown in New York, primarily for fresh market production. According to the 2007 Census of Agriculture, 224 New York farms produced 1,398 acres of lettuce. Leaf lettuce is the most widely grown with 758 acres, followed by 381 acres of head lettuce and 260 acres of romaine lettuce. Lettuce is grown for local sales as well as large wholesale markets in the Northeastern, US.

Other popular greens are spinach (247 acres), collards (96 acres), escarole & endive (75 acres), kale (57 acres), mustard greens (36 acres) and turnip greens (16 acres). Additional types for which no statistical information is available include:  arugula, beet greens, bok choy, dandelion greens, radiccho, rapini, swiss chard and watercress.

Field-grown greens are available beginning from May through mid-October (depending on the type). However, the season can be extended by growing in tunnels protected from harsh winter temperatures. 

Relevant Events

Fresh Market Minutes - Eden Valley

August 1, 2017
9:00 AM - 10:00 AM
Eden, NY

Fresh Market Minutes - Eden Valley

August 15, 2017
9:00 AM - 10:00 AM
Eden, NY

Fresh Market Minutes - Eden Valley

August 29, 2017
9:00 AM - 10:00 AM
Eden, NY

Sustainable and Organic Vegetable Pest Management Field Day

Event Offers DEC Credits

August 29, 2017
3:00 PM - 9:00 PM
Portland, NY

Most Recent Lettuce / Leafy Greens Content

Organic Production Guides

Robert Hadad, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: July 17, 2017
Organic Production Guides

Organic Production Guides for fruits, vegetables and dairy are available through the NYS Integrated Pest Management (IPM) program. They outline general practices for growing vegetable and fruit crops using organic integrated pest management techniques.

Cold Storage Chart and Reference Guide to Commercial Vegetable Storage

Robert Hadad, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: December 13, 2016
Cold Storage Chart and Reference Guide to Commercial Vegetable Storage

Commercial vegetable growers will find a Cold Storage Chart by crop type with temperature and relative humidity recommendations. The maximum number of weeks that the crop can be held under ideal conditions is provided as well.

Adapted from the USDA Bulletin #66, The Commercial Storage of Fruits, Vegetables, and Florist and Nursery Stock, growers will find information on quality, grading, sizes, and packaging, chilling and storage, and post-harvest pathology of vegetables.

The 'Late Blight' of Spinach in the Northeast. See it? Report it! Manage it!

Last Modified: November 15, 2016
The 'Late Blight' of Spinach in the Northeast. See it? Report it! Manage it!

Downy mildew has been found recently in spinach at several farms in the northeastern U.S. This devastating disease has not been confirmed in the region for several years, thankfully as it has been a major production constraint in California. Pathogens causing downy mildew are Oomycetes and thus are related to the late blight pathogen. They are similar in ability to produce an abundance of wind-dispersed spores capable of moving long distances and to not need leaves to be wet to infect (high humidity is sufficient), plus ability to devastate crops.

All growers with spinach should inspect their plants for symptoms promptly NOW and also in spring plantings to catch if there is carry over or new outbreaks. If downy mildew is suspected, please contact your local extension specialist and send an email to Meg McGrath.

It will be CRITICAL that all high tunnel and overwintering spinach crops with downy mildew be destroyed couple weeks before the start of the spring spinach production season in the region to avoid carry over into 2017.


More Lettuce / Leafy Greens Content

How to Sign the Waiver for the Indemnified Dual Magnum Label
Video: Produce Washing Stations - How to Use a Germicidal Bleach
Video: New York State Produce Auctions
Video: Farm Food Safety as if Someone's Life Depended On It
Wash Your Greens: A Low-Cost but Effective Washer/Spinner Design
Winter Aphid Management Fact Sheet
Copper Fungicides for Organic Disease Management in Vegetables
Extending the Harvest Season with Fall Production
Ethnic Greens Trial, 2012
Armyworms are Poised to Eat Your Vegetable Crops
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Asparagus

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Beets

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Broccoli

Brussels Sprouts

Brussels Sprouts

Cabbage

Cabbage

Carrots

Carrots

Cauliflower

Cauliflower

Cucumbers

Cucumbers

Dry Beans

Dry Beans

Eggplant

Eggplant

Ethnic Vegetables

Ethnic Vegetables

Garlic

Garlic

Horseradish

Horseradish

Kohlrabi

Kohlrabi

Leeks

Leeks

Lettuce / Leafy Greens

Lettuce / Leafy Greens

Melons

Melons

Onions

Onions

Parsnips

Parsnips

Peas

Peas

Peppers

Peppers

Potatoes

Potatoes

Pumpkins / Gourds

Pumpkins / Gourds

Radishes

Radishes

Rhubarb

Rhubarb

Rutabaga

Rutabaga

Snap Beans

Snap Beans

Squash - Summer

Squash - Summer

Squash- Winter

Squash- Winter

Sweet Corn

Sweet Corn

Sweet Potatoes

Sweet Potatoes

Tomatoes

Tomatoes

Turnips

Turnips

more crops
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Upcoming Events

Muck Donut Hour Every Tuesday

August 1, 2017
8:30 - 9:30 AM
Elba, NY

Meet with Cornell Vegetable Program Specialist Christy Hoepting every Tuesday morning to ask questions and share your observations.
view details

Fresh Market Minutes - Eden Valley

August 1, 2017
9:00 AM - 10:00 AM
Eden, NY

Meet with the Cornell Vegetable Program Specialist Darcy Telenko every other Tuesday morning to ask questions and share your observations in fresh market vegetables.
view details

2017 Vegetable Pest and Cultural Management Field Meeting - Chautauqua County

Event Offers DEC Credits

August 8, 2017
6:00 PM
Frewsburg, NY

This course will demonstrate pest management in fresh market vegetables in both field and greenhouse (high tunnel) vegetables; primarily for those growing for wholesale auction. A hands-on demonstration of weed, insect and disease identification in vegetables including management options such as inter-row cover crops, grafting and where appropriate, spray options will be used to educate growers. CVP Specialists Judson Reid, DarcyTelenko, and Robert Hadad will instruct participants and facilitate peer-based learning. Details on each topic will focus on field observations at the farm. 
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Announcements

Late Blight Spreading Across WNY Counties

7/19/17 - Late blight (LB) was confirmed in Livingston County on potato this week (the genotype is still being determined). The sample from Erie County from last week was determined to be US-23 which is sensitive to metalaxyl. All of Western NY is at risk for Late Blight infection. Severity values continue build at all stations. The frequent and continuing rainfall has been extremely favorable for the development of LB. Scout fields twice a week. All tomato and potato growers, conventional and organic, should be applying a protectant fungicides and monitoring the DSS to determine spray intervals. Remember to rotate fungicide FRAC groups and use contact fungicides in your program to minimize the chances of fungicides resistance.

If late blight is suspected act immediately! Under favorable environmental conditions late blight develops very rapidly and can spread many miles in a short period. Please take a sample for isolate identification. It is very important to track disease movement. Contact CCE Cornell Vegetable Program Specialists for assistance.

Cucurbit Downy Mildew Confirmed in WNY

Cucurbit downy mildew has been confirmed in Erie County. There have also been confirmed reports from OH, PA and Ontario Canada. If you're planning on spraying cucumbers to control downy mildew, now is the time to do it!

Characteristic disease symptoms are angular, pale green areas bounded by the leaf veins. They will turn yellow and later necrotic. Under high humidity conditions sporulation will occur on the lower leaf surface. Apply targeted fungicides tank-mixed with protectant fungicides weekly and alternated among available modes of action (FRAC code), starting when there is risk for a specific crop based on forecasting program. Refer to the Cornell Vegetable Guidelines for a complete list of products available.

For more information about the disease, watch our new video Better Know a Pest: Downy Mildew or contact Robert Hadad or Darcy Telenko.

Better Know a Pest Video Series

The CCE Cornell Vegetable Program has created 3 new, short videos about common vegetable pests: flea beetlesswede midge, and downy mildew. The videos are part of a series called Better Know a Pest. Watch for more videos as the season progresses.

2017 Cornell Vegetable Guidelines Available

The 2017 edition of the Cornell Integrated Crop and Pest Management Guidelines for Commercial Vegetable Production is now available. This annual publication provides up-to-date vegetable crop production information for New York State. It is designed as a practical guide for vegetable crop producers, crop consultants, ag chemical dealers, and others who advise vegetable crop producers.

In addition to the annually revised pesticide and crop production information, highlighted changes in this edition of the
Vegetable Guidelines include:
  • Addition of Dickeya blackleg on potato as a disease of concern.
  • Updated regulatory considerations for organic vegetable production.
  • Revised European corn borer management strategies for beans and potatoes.
The Cornell Guidelines are available as a print copy ($41 plus shipping), online-only access ($41), or a package that combines print and online access ($57.50 plus shipping). Cornell Guidelines can be purchased through your local Cornell Cooperative Extension office or from the Cornell Store at Cornell University. To order from the Cornell Store, call (844) 688-7620 or order online.

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