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Sweet Corn

Sweet Corn Sweet corn is popular with consumers and growers alike. In 2020, there were 27,000 planted acres in New York, with a farm gate value of $36.9 million (NY Ag Statistics).

A range of varieties are available to cover the growing season and needs of each market. Fresh market corn may be planted in March under plastic or later on bare ground. Planting of processing sweet corn in New York begins around May 1st with varieties selected to maintain a steady supply into mid-September.

Cornell Cooperative Extension Educators and Cornell faculty work together annually to conduct research on many aspects of sweet corn production in the state. Below you will find educational information and results of our research trials.

Relevant Events

Chautauqua Winter Vegetable Meeting

Event Offers DEC Credits

February 10, 2023
Clymer, NY

Orleans Regional Vegetable Meeting

Event Offers DEC Credits

February 15, 2023
Albion, NY

NYS Processing Vegetable Industry Roundtable Meeting

Event Offers DEC Credits

March 15, 2023 : Morning Session: Snap Beans, Sweet Corn, and Peas
Batavia, NY


March 15, 2023 : Lunch Break and Networking


Event Offers DEC Credits

March 15, 2023 : Afternoon Session: Beets and Carrots
Batavia, NY

Laser Scarecrows in Sweet Corn Session at the 2021 Empire State Producers Expo

Julie Kikkert, Team Leader, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: July 27, 2021
Laser Scarecrows in Sweet Corn Session at the 2021 Empire State Producers Expo

A recording of the 2021 Empire State Producers Expo session on the use of laser scarecrows to deter birds in sweet corn. Featured speakers are Dr. Rebecca Brown, University of Rhode Island, Jeremy Perkins, Bird Control Group, and Nick Stanton, Stanton's Feura Farm. Chuck Bornt from Cornell Cooperative Extension moderates the session.


2021 WNY Sweet Corn Pheromone Trap Monitoring

Last Modified: June 1, 2021
2021 WNY Sweet Corn Pheromone Trap Monitoring

Again this year, the Cornell Vegetable Program will be collaborating with the NYS Integrated Pest Management Program to monitor the flights of European corn borer, Corn ear worm, fall armyworm and western bean cutworm. This information is used by NYS IPM to create weekly reports providing scouting and threshold information for fresh market sweet corn and links to resources on the major sweet corn insect and disease pests. Additionally, the information is used by the Cornell Vegetable Program to advise dry bean growers of the threat of western bean cutworm to their crop.


Growing for Wholesale: Grading and Packing Guidelines by Crop

Last Modified: August 29, 2019
Growing for Wholesale: Grading and Packing Guidelines by Crop

Grading and packing guidelines are now available for 18 commonly grown specialty crops in NYS: romaine lettuce, acorn squash, broccoli crowns, Brussels sprouts, sweet corn, green peppers, cucumbers, green cabbage, red cabbage, savoy cabbage, cauliflower, eggplant, green beans, jalapenos, poblanos, Hungarian hot peppers, summer squash, and zucchini.


Video and Final Report: Managing Wildlife Damage in Sweet Corn

Last Modified: July 19, 2018
Video and Final Report: Managing Wildlife Damage in Sweet Corn

Learn more about the on-farm evaluations of new tools -- chemical control, air dancers, scare-eye balloons, and detasseling -- for managing bird damage in sweet corn fields conducted by the CCE Cornell Vegetable Program in 2017 in this video and newly released final report.


Video: New York State Produce Auctions

Last Modified: March 8, 2018
Video: New York State Produce Auctions

Currently, there are 8 produce auctions in New York State. These auctions are aggregation points that allow local farmers to sell their produce in wholesale lots to buyers from across the region. To document the economic impact of produce auctions on agriculture, local businesses, family farms, and produce buyers, the Cornell Vegetable Program worked with Harvest New York to survey top sellers and buyers.

A new Cornell Vegetable Program video shares general information about produce auctions, how buyers and sellers use the auctions to expand their businesses, and how local communities benefit from them.


Video: Flea Beetles

Last Modified: June 5, 2017
Video: Flea Beetles

Flea beetles are a common vegetable pest affecting peppers, cucurbits, sweet potato, potato, peas, beans, beets, tomato, corn, turnip, pumpkin, melon, eggplant, and others. This short video gives you some general information about this pest.

Northern Corn Leaf Blight in Sweet Corn

Julie Kikkert, Team Leader, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: August 8, 2016
Northern Corn Leaf Blight in Sweet Corn

Over the past 5 years, Northern Corn Leaf Blight (NCLB) has become a common occurrence in field and sweet corn in New York State. Researchers at Cornell University are working to determine why this disease has become more prevalent. Current hypotheses include: 1) new races of the fungus, 2) new corn hybrids may be more susceptible, 3) weather patterns that favor disease, and 4) changes in the larger cropping picture. There may be a sort of an "arms race" between new races of the fungus and new corn hybrids. Western NY has seen an increase in field corn being grown and increased disease in field corn creates additional inoculum for sweet corn in the region. If NCLB becomes severe, yields may be reduced. Fresh market sweet corn growers may also be concerned with lesions that appear on the husks, as the corn may be less marketable.

Guideline Tools: Weed Management in Sweet Corn, 2015

Darcy Telenko, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: June 1, 2015
Guideline Tools: Weed Management in Sweet Corn, 2015

This reference sheet lists the herbicides that are labeled for sweet corn in New York and which species are controlled, as well as other important considerations and photos of weeds. While this is a handy references, it is critical to read the product labels thoroughly.

Responding to Hailstorms

Crystal Stewart-Courtens, Extension Vegetable Specialist
Eastern New York Commercial Horticulture

Last Modified: June 26, 2013
Responding to Hailstorms

While no one wants to think about the possibility of hail hitting their beautiful crops just as they start to respond to the heat and take off, the likelihood that we will see more hail seems pretty high. So let's talk about it.

O-zone Injury on Vegetables

Crystal Stewart-Courtens, Extension Vegetable Specialist
Eastern New York Commercial Horticulture

Last Modified: August 22, 2012
O-zone Injury on Vegetables

Hot, humid weather with stagnant air masses may lead to ozone damage on crops. Ozone warnings were recently issued for much of New York. These warnings are intended for people with respiratory problems and let them know they should limit their outdoor activity and try to stay as much as possible in air-conditioned locations. These warning are also a good indicator that ozone damage may occur in plants.

Wild Proso Millet

Julie Kikkert, Team Leader, Extension Vegetable Specialist
Cornell Vegetable Program

Last Modified: March 20, 2012
Wild Proso Millet

Wild proso millet is present in NY and can be a problem weed in sweet corn and other vegetable crops. Learn how to identify this weed on your farm.



more crops
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

Upcoming Events

Chautauqua Winter Vegetable Meeting

Event Offers DEC Credits

February 10, 2023
Clymer, NY

Meeting will feature growers from Ohio sharing their production know-how and thoughts on food safety. Other topics include weed control, pesticide safety, and the impact of poor crop nutrition. 0.75 DEC credits in 1a, 23 plus 0.5 in CORE, which is good for all categories. Trade show booths available. 

Meeting cost is $20/person, includes snacks and educational materials. Registration required by 4 pm on Friday, February 3. 

Orleans Regional Vegetable Meeting

Event Offers DEC Credits

February 15, 2023
Albion, NY

Offering presentations in pesticide safety, tips for managing diseases in vegetable crops, how to attract beneficial insects to your field, herbicide options for cole crops, and strawberry disease information. Meeting cost is $10 per person, payable at the door via cash or check. Pre-registration requested by 5:00 pm on Monday, February 13.

DEC credits available: 2.25 in 1a and 10; 2.0 in 23; 1.5 in 22; and 0.5 in CORE (used in all categories)!!

NYS Processing Vegetable Industry Roundtable Meeting

Event Offers DEC Credits

March 15, 2023 : Morning Session: Snap Beans, Sweet Corn, and Peas
Batavia, NY

Processing vegetable industry members who grow, manage, or support snap bean, sweet corn, or pea production for Nortera and/or Seneca Foods, should attend this session of the roundtable meeting. You will:

  • Network at this in-person meeting.
  • Learn the results of industry-funded research.
  • Have a voice in Cornell research and extension.
  • Earn 2.0 DEC credits in categories 1a, 10, 23 and CCA recertification credits.

This FREE event is followed by lunch! Pre-registration requested.


March 15, 2023 : Lunch Break and Networking

Lunch is FREE to anyone attending either the Morning Session or the Afternoon Session of the NYS Processing Vegetable Industry Roundtable Meeting. Registration is required.


Event Offers DEC Credits

March 15, 2023 : Afternoon Session: Beets and Carrots
Batavia, NY

Processing vegetable industry members who grow, manage, or support beet or carrot production for Nortera, Seneca Foods and/or Love Beets, should attend this session of the roundtable meeting. You will:

  • Network at this in-person meeting.
  • Learn the results of industry-funded research.
  • Have a voice in Cornell research and extension.
  • Earn 2.0 DEC credits in categories 1a, 10, 23 and CCA recertification credits.

Lunch is provided before this session. It's FREE! Pre-registration requested. 

Announcements

2022 Year in Review Released

Our 2022 Year in Review report highlights some of our 2022 projects and community outreach efforts impacting commercial vegetable, greenhouse, potato, and dry bean producers in 14 counties of western and central New York, and beyond.
  • Education and Technical Assistance Provided to Providence Farm Collective
  • Engineering Improvements in Biodegradable Mulch
  • Perseverance Leads to Solution for Perennial Sowthistle in Onion
  • Potato Programming Spans Farms of All Sizes
  • Improving Winter High Tunnel Soil Nitrogen Management
  • Laser Scarecrows Tested on Local Farms
  • New York Vegetable Industry Support
Cornell Cooperative Extension is Your Trusted Source for Research-Based Knowledge!

Small-Scale Fresh Mkt Potato Variety Trial Results

This year, the Cornell Vegetable Program planted a potato variety trial focused on commercially available fresh market potato varieties, with the small-scale potato grower in mind. This trial allowed us to test different varieties of potatoes that might be of interest to consumers at farm markets and see how well they perform in a western NY climate. 

We've posted a brief overview of our results on the Potato page.

If you would like the full report (PDF with photos and yield data) emailed to you, email Margie Lund.

New Ag Climate Factsheet Released

The intersection of agricultural production and greenhouse gases is gathering increasing attention. This is an opportune time to consider how vegetable production interacts with carbon sequestration and greenhouse gas emissions, and how using cover crops may alter this picture.

The factsheet, Greenhouse Gases and Soil Organic Carbon in Vegetable Production and the Role of Cover Crops, written by Zach Spangler, Ag Climate Resiliency Specialist with CCE Harvest NY, and Elizabeth Buck, Fresh Market Vegetable Specialist, CCE Cornell Vegetable Program, discusses:
  • Sequestration of atmospheric carbon in agricultural soils as soil organic carbon (SOC). Is vegetable production impacting SOC?
  • Net greenhouse gas emissions of carbon dioxide (CO2), nitrous oxide (N2O), and methane (CH4) from the soil.
  • Impact of cover crops on soil organic carbon, nitrous oxide emissions, and other GHG emissions.