Tag Archives: Weed control

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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Lavender Crop Update – Late Summer Tasks, August 27, 2025

Posted on August 29, 2025 by Sean Westerveld

Irrigation Much of the summer has been hot and dry, a climate that lavender is used to. However, lavender in Ontario may have struggled with moisture stress because root systems are not as extensive as they are in the plant’s … Continue reading →

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Ginseng Crop Update – Glyphosate Application Cautions – March 15, 2024

Posted on March 15, 2024 by Sean Westerveld

It should be no surprise that temperatures this winter have been significantly warmer than normal. Crop emergence is on pace to be well ahead of normal, although cooler temperatures over the next couple weeks will hopefully slow that progress. Based … Continue reading →

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Control of Scentless Chamomile in Ginseng

Posted on October 19, 2021 by Sean Westerveld

Growers are reporting increasing issues dealing with scentless chamomile in ginseng, which has become a problem weed in many crops. Scentless chamomile (Matricaria perforata), also known as scentless mayweed, is a short-lived perennial or sometimes annual, closely resembling stinking mayweed, … Continue reading →

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Ginseng Crop Update – Dealing with Early Senescence, August 28, 2020

Posted on August 28, 2020 by Sean Westerveld

Given the major stresses experienced by the ginseng crop this year, including early frost damage, hot and dry conditions, and high Alternaria pressures, many gardens are senescing early this year. There are a few things to consider for proper management … Continue reading →

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