Tag Archives: Frost

Ginseng Crop Update – Pest Management During Emergence – May 13, 2022

With the sudden switch to summer-like weather and plenty of sunshine to heat up the soil, ginseng is rapidly emerging this week. More humid weather is expected over the weekend, and this will increase the risk of foliar diseases, especially … Continue reading

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Dealing with Frost Damage in Lavender – Lessons from 2015

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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Ginseng Crop Update – Dealing with Cold Temperature Damage May 14, 2021

Although the past week was not nearly as cold as the same period last year, there has been an extended period of well below normal temperatures. When this has occurred during plant emergence in the past, development of the tops … Continue reading

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Snow and Freeze Impacts on Ginseng and Lavender

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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Experiencing Strange Symptoms on Lavender? Lavender Crop Update July 10, 2020

Lavandula angustifolia cultivars are in full bloom in most of Ontario, with lavandins starting to bloom further south. Some cultivars are already past peak, progressing through bloom faster due to the hot conditions. It is becoming very dry in most … Continue reading

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Ginseng Crop Update – Dealing with Frost Damage May 22, 2020

The damage from last week’s freeze events has become more evident over the past few days. In past frost events, typically the stem is the most affected by frost, either resulting in kinking or splitting. This can weaken the top … Continue reading

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