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Author Archives: Sean Westerveld
Lavender Crop Update – June 12, 2026
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
Ginseng Crop Update – Avoiding “Heat” Stress – June 11, 2026
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
Posted in Ginseng, Ginseng Pest Management, Ginseng Production
Tagged Diseases, Ginseng, Heat Stress, herbicide injury, Insects, Pest Management
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Lavender Crop Update – Winterkill and Pest Update – May 22, 2026
Winterkill By now, lavender plants should have fully greened up. If the outer portions of the canopy are still brown, the plant will only recover if new shoots are now visible lower on the branches or near the crown. Green-up … Continue reading
Posted in Herbs, Lavender
Tagged Bloom, Cultivar Selection, Diseases, Insects, Lavender, winter damage
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Ginseng Crop Update – Frost and Pests – May 22, 2026
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
Posted in Ginseng, Ginseng Pest Management, Ginseng Production
Tagged Diseases, Frost, Ginseng, Insects, Pest Management
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Full Moon and Frost Risk – Is There Really a Connection?
It is May, the time of year when growers constantly watch the weather because the risk of frost is high. Many growers and gardeners consider the May full moon as an important factor for determining when the last frost of … Continue reading
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
Posted in Ginseng, Ginseng Production
Tagged Frost, frost protection, Ginseng, weather
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