Category Archives: Herbs

Lavender Crop Update – Winterkill and Pest Update – May 22, 2026

Posted on May 22, 2026 by Sean Westerveld

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 →

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Full Moon and Frost Risk – Is There Really a Connection?

Posted on May 12, 2026 by Sean Westerveld

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 →

Posted in Ginseng, Ginseng Production, Herbs, Hops, Industrial and Misc. Crops, Industrial Hemp, Lavender, Specialty Fruit and Nuts, Specialty Grains, Specialty Vegetables, Sweet Potato | Tagged , , , | Leave a comment

Managing Basil Downy Mildew with Resistant Cultivars

Posted on April 28, 2026 by Sean Westerveld

Basil downy mildew was first identified in Ontario in 2010 and caused devastating losses in the first few years after its introduction (Figure 1). The disease often shows up in Ontario in late July or early August, and once in … Continue reading →

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Pyganic® Insecticide label expanded via Minor Use Program to help manage various pests in CG-25 Herbs and CG-26 Spices in Canada

Posted on April 21, 2026 by Sean Westerveld

J. MOSIONDZ, OMAFA, Minor Use Coordinator, Guelph The Pesticides Regulatory Directorate (PRD), formerly known as the Pest Management Regulatory Agency (PMRA), recently announced the approval of a minor use label expansion for Pyganic® insecticide for control of aphids, leafhoppers, climbing … Continue reading →

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Lavender Crop Update – Preparing for the Season – April 17, 2026

Posted on April 17, 2026 by Sean Westerveld

Winterkill By now, row covers should have been removed in all lavender-growing areas of the province. Remember that row covers are not meant to protect against spring cold; they are meant to protect against extreme winter cold and drying winds. … Continue reading →

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AIM® Herbicide Label registered via Minor Use Program to help manage labelled weeds on Lavender Flowers in Canada

Posted on April 14, 2026 by Sean Westerveld

By Josh Mosiondz, Minor Use Coordinator, OMAFA, Guelph The Pesticides Regulatory Directorate (PRD, formerly known as the Pest Management Regulatory Agency (PMRA)), recently announced the approval of a minor use label expansion registration for AIM® Herbicide for control of labelled … Continue reading →

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