Category Archives: Lavender

Are Garden Fleahoppers a Problem on Lavender?

Posted on August 25, 2021 by Sean Westerveld

By Estella Crosby, Summer Research Assistant, OMAFRA Garden fleahopper (Microtechnites bractatus) is an occasionally severe pest of lavender and potentially other perennial members of the mint family, especially when grown over black plastic mulch where warmer temperatures promote faster development … Continue reading →

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Lavender Crop Update – Dying Lavender July 15, 2021

Posted on July 16, 2021 by Sean Westerveld

There are have been multiple reports of lavender suddenly dying over the past few weeks. Symptoms match those of Phytophthora root rot, with portions of plants wilting and dying with other portions still appearing healthy. However, samples of these plants … Continue reading →

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Lavender Crop Update – June 24, 2021

Posted on June 24, 2021 by Sean Westerveld

Harvest Considerations Most angustifolia cultivars of lavender have begun to bloom this week in the south. Full bloom will likely occur within the next week to 10 days. Early bloom is the time to harvest for bundles and buds. Ideally, … Continue reading →

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Dealing with Frost Damage in Lavender – Lessons from 2015

Posted on May 31, 2021 by Sean Westerveld

Just like in May 2015, frost damage to new growth has occurred in some areas of Ontario, mainly north and east of Toronto. The following article is adapted from 2015 with new insights based on what we learned during that … Continue reading →

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Assessing and Pruning Winterkill in Lavender

Posted on May 5, 2021 by Sean Westerveld

Since lavender is greening up across most of Ontario, now is a good time to assess lavender plants and determine the extent of winterkill. Depending on the severity of the damage, further action may be required in some cases such … Continue reading →

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Snow and Freeze Impacts on Ginseng and Lavender

Posted on April 19, 2021 by Sean Westerveld

Snow and cold temperatures are in the forecast for much of Southern Ontario Tuesday and Wednesday nights. Both ginseng and lavender growers have the option to employ row covers to protect tender plants in the spring. Here are things to … Continue reading →

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