Category Archives: Ginseng Production

Ginseng Crop Update – May 25, 2023

Posted on May 25, 2023 by Sean Westerveld

It looks like most areas escaped a frost last night, mostly due to a breeze that continued all night that mixed up the air. There is a slight risk again tonight with calmer air, but forecast dewpoints are +1C for … Continue reading →

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Frost Potential for Ginseng May 25 and 26, 2023

Posted on May 23, 2023 by Sean Westerveld

Here we go again on the risk of frost for the ginseng growing areas. The risk appears to be lower at this time but the forecast dewpoint on Weather Underground for Delhi is -1C. Low temperatures are forecast to be … Continue reading →

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Risk of Frost for Ginseng this Week – Plan Now – May 15, 2023

Posted on May 15, 2023 by Sean Westerveld

Although the weather forecasts generally still show low temperatures above freezing every night this week in the ginseng production area (as of Monday at noon), the risk of frost especially Wednesday night is relatively high. This is because of the … Continue reading →

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Ginseng Crop Update – Crop Emergence – April 21, 2023

Posted on April 21, 2023 by Sean Westerveld

The warm temperatures and sunny conditions last week have accelerated ginseng crop emergence. As of April 20, 103 Growing Degree Days (GDD) (Base 5) has accumulated at Delhi. This is 30 GDD above normal for this time of year. On … Continue reading →

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Irrigation Scheduling Resources for Ginseng Growers – Ginseng Crop Update – July 6, 2022

Posted on July 6, 2022 by Sean Westerveld

Much of the ginseng-production area has received little to no rain over the past month. Combined with average temperatures and lower humidity, this has kept disease pressures, especially Alternaria and Phytophthora, lower than normal except in areas with lingering root … Continue reading →

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Hot Weather Impact on Plant Water Demand – How Can We Measure?

Posted on July 6, 2022 by Sean Westerveld

By: Rebecca Shortt, Water Quantity Engineer, OMAFRA It has been hot and dry in SW Ontario in June. What is the impact on plants? And how do we measure the water demand? One thing I think we forget is that … Continue reading →

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