Tag Archives: Ginseng

Ginseng Pesticide and Research Prioritization Meeting – Thursday, November 26, 2026

Posted on November 5, 2026 by Sean Westerveld

The Ginseng Pesticide and Research Prioritization Meeting will be held in person at the Ontario Crops Research Centre – Simcoe (Simcoe Research Station) on Thursday, November 26. This is an opportunity to discuss the production issues over the past year, … Continue reading →

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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 – Mid-Season Reminders – July 31, 2026

Posted on July 31, 2026 by Sean Westerveld

Rainfall has been highly variable in the ginseng growing area, with some areas getting very dry and others having experienced heavy rains from thunderstorms. Other than some heat stress issues from the heat earlier this month, the crop is progressing … 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 – Avoiding “Heat” Stress – June 11, 2026

Posted on June 11, 2026 by Sean Westerveld

Rainfall has been highly variable over the past few days. Based on CoCoRaHS observations (https://maps.cocorahs.org/) and local rain gauges, rainfall ranged from 30+ mm from a line north of about Langton to Simcoe to 0 mm closer to Lake Erie, … Continue reading →

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