Category Archives: Ginseng Production

Ginseng Crop Update – Seed Stratification Reminders, April 10, 2024

Posted on April 10, 2024 by Sean Westerveld

The cooler weather in the last half of March and early April has significantly slowed ginseng crop emergence, but it is probably accelerating again in the last few days. As of April 9, 68 growing degree days (GDD)(Base 5) have … Continue reading →

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Ginseng Crop Update – Glyphosate Application Cautions – March 15, 2024

Posted on March 15, 2024 by Sean Westerveld

It should be no surprise that temperatures this winter have been significantly warmer than normal. Crop emergence is on pace to be well ahead of normal, although cooler temperatures over the next couple weeks will hopefully slow that progress. Based … Continue reading →

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Ginseng Crop Update – Managing Grubs Without Insecticides – June 28, 2023

Posted on June 28, 2023 by Sean Westerveld

Other than localized storm damage to shade structures over the past few weeks, there are currently no major unusual issues for ginseng. However, prolonged wet, humid and cooler weather over the past week and more wet weather to come this … Continue reading →

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Ginseng Crop Update – Alternaria, Irrigation and Fertility – June 7, 2023

Posted on June 7, 2023 by Sean Westerveld

Foliar Diseases Dry weather conditions and low humidity during warm periods have reduced the risk of most diseases of ginseng. However, frost damage in some gardens and plant stress due to dry conditions can result in increased risk of Alternaria … Continue reading →

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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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