Category Archives: Ginseng Production

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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Ginseng Crop Update – Dealing with Frost and Leaf Folders – May 15, 2025

Frost Risk Once again, a cold snap at the end of the long weekend and into next week could bring the risk of frost to frost-prone areas. As of May 15, none of the forecasts show freezing conditions, and dewpoints … Continue reading

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Ginseng Crop Update – Leaf Folders & Forecasting Frost Events – May 8, 2025

Time to Spray for Leaf Folders Last year, some growers saw an explosion of leaf folders that caused considerable damage. By the time growers noted the problem, it was too late to control them. This is because leaf folders, unlike … Continue reading

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