Tag: cold climate grapes
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Posted on December 3, 2025
Cold Hardiness Modeling for Grapes: A Grower-Friendly Tool for Assessing Cold Damage Risk
As we enter the winter season, many growers are once again thinking about the risk of cold injury to grapevines. With increasingly unpredictable weather patterns, […]
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Posted on May 16, 2024
Petiole Sampling for Determining Fertilization Needs in Cold Climate Grapes
Assessing the nutritional status of your grapevines through mature leaf petiole sampling is essential for maintaining vineyard health and productivity. Here’s how to effectively sample […]
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Posted on June 29, 2023
Vineyard Scouting Report: June 26, 2023
Phenology At the West Madison Agricultural Research Station (WMARS) in Madison, WI, shoots from primary buds average around E-L* stage 31 (Berries pea-size) in Marquette […]
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Posted on June 14, 2023
Vineyard Scouting Report: June 12, 2023
Phenology At the West Madison Agricultural Research Station (WMARS) in Madison, WI, shoots from primary buds average around E-L* stage 23 (17-20 leaves separated; 50% […]
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Posted on September 29, 2022
Cold Climate Grape Cultivar Fruit Quality Report September 29, 2022
Every year we sample berries and track ripening levels by measuring Brix, TA, and ph to determine optimum harvest time. Below are graphs showing the […]
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Posted on September 15, 2022
Cold Climate Grape Cultivar Fruit Quality Report September 14, 2022
Every year we sample berries and track ripening levels by measuring Brix, TA, and ph to determine optimum harvest time. Below are graphs showing the […]
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Posted on September 8, 2022
Cold Climate Grape Cultivar Fruit Quality Report September 8, 2022
Every year we sample berries and track ripening levels by measuring Brix, TA, and ph to determine optimum harvest time. Below are graphs showing the […]
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Posted on August 24, 2022
Cold Climate Grape Cultivar Fruit Quality Report August 24, 2022
Every year we sample berries and track ripening levels by measuring Brix, TA, and ph to determine optimum harvest time. Below are graphs showing the […]
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Posted on August 11, 2022
Cold Climate Grape Cultivar Fruit Quality Report August 11, 2022
Every year we sample berries and track ripening levels by measuring Brix, TA, and ph to determine optimum harvest time. Below are graphs showing the […]
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Posted on July 28, 2022
Seedless Table Grape Production in Wisconsin
This year we started an exciting new project to evaluate several seedless table grape cultivars and some new selection from the UMN cold climate grape […]