Category Archives: Ginseng Production

Ginseng Crop Update – Frost Considerations – May 1, 2026

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 – Early Season Pest Control – April 24, 2026

Temperatures have continued to be above normal despite the cool down earlier this week. As of April 23, we have accumulated 156 GDD (base 5), which is normally reached on May 6. Based on the current forecast, crop progress may … Continue reading

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

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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Best Sanitation Practices During Ginseng Seed Harvest, Processing, and Storage

Most ginseng growers harvest and store their own seed for their subsequent plantings. During the process, ginseng seed can be contaminated with pathogens that can rot the seed in storage and/or transmit pathogens to the new garden. It is important … Continue reading

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Ginseng Crop Update – Dealing with Heat – July 18, 2025

Although some cooler weather has temporarily arrived, we are currently experiencing a hot stretch that may continue again next week. Many areas have also been very dry, with only 43 mm of rain having fallen at the Delhi Weather Station … Continue reading

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Ginseng Crop Update – Frost, Rhizoctonia, and Leaf Folders – May 30, 2025

Frost In the last crop update, I commented on how much colder the temperatures were at Delhi than the forecast the night before. Since then, there have been several nights with temperatures several degrees Celsius colder at Delhi than at … Continue reading

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