Tips To Keep High Tunnel Crops Frost-Free This Spring

Help with High Tunnels

Chris Wien, a professor in the Department of Horticulture at Cornell University, offers a few pointers to growers to help them protect their high tunnel crops from frost this spring. Specifically, he points out two procedures that can be implemented immediately and a third technique that is more for long-term production.

1. Construct a low tunnel over the crop in the high tunnel. Spun-bonded fabric works best, with the heavier materials (1 to 2 ounces per square yard) providing better frost protection, he says.

“The fabric should not touch the plants, but be held up by wire hoops or pipes,” explains Wien. “The fabric itself will freeze, so if the plants are touching the fabric, they also will freeze.”

2. A gas-fired heater can be used in the high tunnel for those cold nights when crops are inside. This also will help to slide snow off the high tunnel plastic on days when wet, heavy snow threatens to collapse the tunnel, he adds.

Long-term Technique

Make sure that the tunnel plastic covering the high tunnel is an IR (infrared)-blocking kind, says Wien. “On those clear, cold nights in spring when the temperature dips below freezing, reducing the heat loss from the tunnel with IR-blocking plastic will keep temperatures inside 2 to 4 F warmer.”

Leave a Reply

2 comments on “Tips To Keep High Tunnel Crops Frost-Free This Spring

  1. Additionally, growers are using the inexpensive BioWash to increase sugar content and decrease freezing temperatures down to 26F.

Featured Stories
Florida Ag ExpoMore Farmers Plugging Into Social Media
February 1, 2015
UF Ag Econ students give tips on engaging consumers where they congregate online. Read More
Citrus4 Angles To Cover If Considering An Agritainment Alternative
February 1, 2015
Along with the pros of adding another extension to your business also come risks. Read More
CitrusWith Big Data Comes Big Concerns For Agriculture [Opinion]
January 30, 2015
Many believe technologies like UAVs and precision ag represent the second Green Revolution, but it only will happen if farmers feel safe using them. Read More
Apples & PearsNew Bactericide Now Registered in Top Apple Growing States
January 30, 2015
KASUMIN is active on a wide array of plant pathogenic bacteria, including resistant strains. Read More
FruitsCalifornia Drought Meeting Called
January 30, 2015
State and federal officials will discuss potential actions for the coming year. Read More
GrapesRecord Crowds Flock To California Winegrape Show
January 30, 2015
Unified Wine & Grape Symposium attracts 14,000 industry professionals. Read More
Insect & Disease UpdateResearchers Develop Electronic Citrus Greening Detector
January 30, 2015
New, easy-to-use technology could help growers get a leg up on the disease. Read More
VegetablesSakata Seed Highlights Specialty Golden Beet
January 29, 2015
The company highlights specialty golden beet, Touchstone Gold. Read More
FruitsUse The Off-Season To Focus On Farm Safety
January 29, 2015
Prevention, planning, and preparedness are essential for all agritainment operations. Read More
Protected AgricultureHow To Successfully Produce Vegetables In Controlled Environments
January 28, 2015
Greenhouse expert Merle Jensen offers pointers on growing systems, pest control, plant nutrition, harvesting, and more. Read More
The Latest
Florida Ag ExpoMore Farmers Plugging Into Social Media
February 1, 2015
UF Ag Econ students give tips on engaging consumers where they congregate online. Read More
Citrus4 Angles To Cover If Considering An Agritainment Altern…
February 1, 2015
Along with the pros of adding another extension to your business also come risks. Read More
CitrusWith Big Data Comes Big Concerns For Agriculture [Opini…
January 30, 2015
Many believe technologies like UAVs and precision ag represent the second Green Revolution, but it only will happen if farmers feel safe using them. Read More
Apples & PearsNew Bactericide Now Registered in Top Apple Growing Sta…
January 30, 2015
KASUMIN is active on a wide array of plant pathogenic bacteria, including resistant strains. Read More
FruitsCalifornia Drought Meeting Called
January 30, 2015
State and federal officials will discuss potential actions for the coming year. Read More
GrapesRecord Crowds Flock To California Winegrape Show
January 30, 2015
Unified Wine & Grape Symposium attracts 14,000 industry professionals. Read More
Insect & Disease UpdateResearchers Develop Electronic Citrus Greening Detector
January 30, 2015
New, easy-to-use technology could help growers get a leg up on the disease. Read More
VegetablesSakata Seed Highlights Specialty Golden Beet
January 29, 2015
The company highlights specialty golden beet, Touchstone Gold. Read More
FruitsUse The Off-Season To Focus On Farm Safety
January 29, 2015
Prevention, planning, and preparedness are essential for all agritainment operations. Read More
Protected AgricultureHow To Successfully Produce Vegetables In Controlled En…
January 28, 2015
Greenhouse expert Merle Jensen offers pointers on growing systems, pest control, plant nutrition, harvesting, and more. Read More
IPMWhat You Need To Know To Maintain An Effective IPM Prog…
January 28, 2015
Greenhouse expert Karin Tifft discusses the importance of scouting, pest identification, control options, and the importance of sanitation. Read More
Apples & PearsPears Get A Hefty Shout-Out From Rapper
January 28, 2015
The pome fruit is on mainstream media's radar thanks to a rapper's quote and ensuing social media blitz. Read More
FruitsHighlights From The Mid-Atlantic Fruit And Vegetable Co…
January 28, 2015
Bio-control use, media literacy, and disease control were just a few of the topics discussed at the convention held in Hershey, PA. Read More
GrapesCalifornia Table Grape Growers Offer Agricultural Schol…
January 28, 2015
The application deadline for the agricultural scholarships is 5 p.m., Feb. 13. Read More
GrapesNew Wine Hybrid Establishment Cost Resource Available
January 28, 2015
Research from Cornell University breaks down the cost of producing hybrid winegrapes. Read More
FertilizerEasy Access To Fertilization Guidelines
January 28, 2015
New, easy-to-follow brochures take the guesswork out of almond and walnut fertilization. Read More
BerriesDormant Pruning Tips For Your Berries
January 28, 2015
Proper dormant pruning increases berry size and improves overall health of blackberry and raspberry plants. Read More
NutsHow Freezing Temperature Affect Bearing and New Trees
January 28, 2015
Key points before and after the critical bloom period make exposure to freezing temperatures relevant. Read More