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. 

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

Asparagus

Beets

Beets

Broccoli

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

2018 Empire State Producers EXPO

Event Offers DEC Credits

January 16 - January 18, 2018
1.25 hr sessions throughout each day
Syracuse, NY

The 2018 Empire State Producers Expo combines the major fruit, flower and vegetable associations of New York State in order to provide a comprehensive trade show and educational conference for New York producers, as well as the surrounding states and Eastern Canada. 
view details

Growing, Washing and Packing High Tunnel Winter Greens: Doing It and Doing It Well

January 18, 2018
9:00 AM - 4:00 PM
Saratoga Springs, NY

NOFA-NY 2018 Winter Conference: Pre-Conference Event
This event promises to help growers bring their winter greens production to the next level -- both in the high tunnel and in the packshed. There will be an emphasis on best management practices in the high tunnel, especially practices which support long term soil health and fertility. In the packshed, processing efficiency and food safety will both be stressed.

The day will begin at 9:00 am in conference room Broadway 1, with workshops on issues and opportunities in winter high tunnel production and best practices for postharvest handling, including food safety concerns.

Upon completion of the workshops at 10:30 am, everyone will board a bus and travel to Paul and Sandy Arnold's Pleasant Valley Farm in Argyle, NY for a farm tour and farmer-led discussions in the high tunnel and packshed. A farm to table lunch, with a vegetarian option, will be served at the farm. After lunch, the tours and discussions will continue and then everyone will come together for a Q&A session with hot cider and light snacks. The bus will leave the farm at about 3:15 pm and should be back at the hotel by 4:00 pm. 
view details

Produce Grower Food Safety Training - FSMA and GAPs/HGAPs

January 30, 2018 : FSMA and GAPs/HGAPs Produce Safety Alliance Training Course

January 31, 2018 : Workshop on Farm Food Safety Plan Writing

This program is for fruit and vegetable growers who need Food Safety Modernization Act (FSMA) certification or GAPs/HGAPs (Good Agricultural Practices/ Harmonized Good Agricultural Practices) training required by buyers (i.e. 3rd-party food safety audits based on a written food safety plan) or if you are just interested in learning about produce safety.

Over the course of the training, certified Produce Safety Alliance trainers will cover content contained in these seven modules:
  • Introduction to Produce Safety
  • Worker Health, Hygiene, and Training
  • Soil Amendments
  • Wildlife, Domesticated Animals, and Land Use 
  • Agricultural Water (Part I: Production Water; Part II: Postharvest Water) 
  • Postharvest Handling and Sanitation 
  • How to Develop a Farm Food Safety Plan
An optional farm food safety plan writing workshop is offered on January 31. Separate registration required.
view details
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Announcements

Cornell Commercial Vegetable Guidelines Available

The 2018 Cornell Integrated Crop and Pest Management Guidelines for Commercial Vegetable Production are now available!

Written by Cornell University specialists, this publication is designed to offer producers, seed and chemical dealers, and crop consultants practical information on growing and managing vegetable crops in New York State. Topics include general culture, nutrient management, transplant production, postharvest handling, organic production, and managing common vegetable crop pest concerns. A preview of the Vegetable Guidelines can be seen online.

Highlighted changes in the 2018 Vegetable Guidelines include:
  • Updated pesticide options for economically important vegetable crop pests.
  • Significantly revised pest management practices.
  • New onion and sweet corn IPM scouting report forms.
Cornell Crop and Pest Management Guidelines are available as a print copy ($41), online-only access ($41), or a package combining print and online access ($57.50). Shipping charges will be added to your order. Cornell Guidelines can be obtained through your local Cornell Cooperative Extension office, or from the Cornell Store at Cornell University or call (844) 688-7620.

Available: 2017 Certified Seed Potato Directory

The 2017 NYS Certified Seed Potato Crop Directory is now available. There is a wealth of information on NYS potato seed certification, as well as on the varieties grown for certification in 2017. The varieties include standards for processing and tablestock, newer varieties and numbered lines, and specialty/heirloom varieties. Brief summaries of the varieties' maturity, appearance, yield potential, and major disease susceptibility are included. Contact info for the growers with seed supplies of each variety is included. There is also a listing of the inspectors from the NYS Department of Agriculture and Markets in Albany and Syracuse.

Growing for Wholesale Guidelines Available

Grading and packing guidelines are now available for 16 commonly grown specialty crops in NYS: broccoli crowns, Brussels sprouts, corn, green peppers, cucumbers, green cabbage, red cabbage, savory cabbage, cauliflower, eggplant, green beans, jalapenos, poblanos, Hungarian hot peppers, summer squash, and zucchini.

Acceptable quality standards and common defects that should be sorted out on the grading line are depicted in these resources, both visually and in outline form. Find all of the grading sheets here.

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