Tag Archives: frost protection

Ginseng Crop Update – Frost Considerations – May 1, 2026

Posted on May 1, 2026 by Sean Westerveld

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 →

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Lavender Crop Update – Removing Row Covers – February 27, 2024

Posted on February 27, 2024 by Sean Westerveld

The weather has been unseasonably mild all winter long. Now that both warm and sunny weather have arrived, the risks to lavender from spring freezes becomes a concern. Floating row covers work great to protect lavender in late fall and … Continue reading →

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Frost Potential for Ginseng May 25 and 26, 2023

Posted on May 23, 2023 by Sean Westerveld

Here we go again on the risk of frost for the ginseng growing areas. The risk appears to be lower at this time but the forecast dewpoint on Weather Underground for Delhi is -1C. Low temperatures are forecast to be … Continue reading →

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Understanding Frost Risks for Lavender – May 16, 2023

Posted on May 16, 2023 by Sean Westerveld

I have had several inquiries about the potential for frost damage to lavender from the frost events in the forecast because of previous events that devastated lavender in some areas. Spring frost damage is relatively rare in lavender. I am … Continue reading →

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Risk of Frost for Ginseng this Week – Plan Now – May 15, 2023

Posted on May 15, 2023 by Sean Westerveld

Although the weather forecasts generally still show low temperatures above freezing every night this week in the ginseng production area (as of Monday at noon), the risk of frost especially Wednesday night is relatively high. This is because of the … 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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