Tag Archives: Pest Management

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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Lavender Crop Update  – Things to Monitor During Bloom – July 9, 2026

Posted on July 9, 2026 by Sean Westerveld

Lavender is in full bloom across the province. Bloom was late to arrive this year, but may progress faster than normal due to the above-normal temperatures. Although growers are focused on many activities at this time of year and the … Continue reading →

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Lavender Crop Update – June 12, 2026

Posted on June 12, 2026 by Sean Westerveld

Despite warmer weather over the past two weeks, it still appears that lavender bloom is behind schedule. Normally, the first blooms on the earliest cultivars begin to open in Simcoe around June 15-18. This year, bud heads are just beginning … 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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Reminder – Hazelnut IPM Training this Thursday, May 28

Posted on May 26, 2026 by Melanie Filotas

Just a reminder that there is still time to register for the Hazelnut IPM workshop being held at the Ontario Crops Research Centere auditorium, 1283 Blueline Rd., Simcoe this Thursday, May 28 from 10 AM -12:30 PM. This will start … Continue reading →

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Ginseng Crop Update – Frost and Pests – May 22, 2026

Posted on May 22, 2026 by Sean Westerveld

Weather, Frost and Disease Some areas have experienced frost damage, mostly during last week’s frost events. Most of the damage is confined to field edges and low areas. We used to think that damage along field edges was due to … Continue reading →

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