Tag Archives: weather

Ginseng Crop Update – Responding to Storm Damage and High Moisture – Sep. 3, 2026

Posted on September 3, 2026 by Sean Westerveld

There are reports of storm damage to ginseng, including damaged shade cloth in some areas and heavy rains in most areas. In addition, there have been 5 straight days of nearly continuous leaf wetness in this area, along with saturated … Continue reading →

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Ginseng Crop Update – El Niño, Root Conditioning and New Publication – August 21, 2026

Posted on August 21, 2026 by Sean Westerveld

Ginseng is showing early signs of senescence in most gardens, but senescence is more advanced in some areas. Early senescence is often due to hot conditions earlier in the year, moisture stress at times, and root diseases and disorders like … Continue reading →

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Ginseng Crop Update – Diagnosing Unusual Foliar Symptoms – July 10, 2026

Posted on July 10, 2026 by Sean Westerveld

The hot conditions over the past two weeks can obviously stress ginseng. Each hot day likely reduces yield as the plant virtually shuts down in the heat of the day. A University of Guelph study in the past showed that … Continue reading →

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Ginseng Crop Update – Frost Considerations – May 1, 2026

Posted on May 1, 2026 by Sean Westerveld

It is frost season again, and there is a lot of uncertainty at this time of year. Ginseng in older gardens is emerging through the straw and could be susceptible to freezing conditions. Here are some considerations for forecasting and … Continue reading →

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Ginseng Crop Update – Spring Emergence and Product Updates – April 12, 2026

Posted on April 13, 2026 by Sean Westerveld

This is the first crop update of the 2026 growing season. Emergence and Growing Degree Days Accumulated Growing Degree Days (Base 5°C) at Delhi up to April 12 are 5 days ahead of the 25-year average, which suggests crop emergence … Continue reading →

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Ginseng Crop Update – May 16, 2024

Posted on May 16, 2024 by Sean Westerveld

The ginseng crop has fully emerged and canopies are expanding. We have accumulated 300 GDD (Base 5) so far this year as of May 15. Normally we don’t reach that level until May 25. The only year in which we … Continue reading →

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