Tag Archives: Frost

Early Winter Injury to Lavender – November 21, 2019

At this time of year, plants are still in the process of entering dormancy and are not as hardy as they would be in mid-winter. The recent, sudden cold snap has been very hard on many perennials including lavender because … Continue reading

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Ginseng Crop Update – May 12, 2017

Temperatures will be finally warming up next week and become more humid as well. With frost damage in some gardens this will greatly increase the risk of Alternaria and Botrytis. If there is any frost damage in a garden, now … Continue reading

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Lavender Crop Update – May 5, 2017

Lavender growers should recognize that this is not good weather for the crop. Lavender does not like “wet feet” and flooded and saturated soils should be avoided. If water is pooling in the fields, you need to consider finding a … Continue reading

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Ginseng Crop Update – May 4, 2017

As I am sure growers are aware, there is a significant amount of rain in the forecast over the next few days. This added to already saturated ground could cause drainage issues and ponding in ginseng gardens. For many growers, … Continue reading

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It’s Time to put Row Covers on Your Lavender

Ontario lavender growers should consider putting on row covers over lavender in the next two weeks. Row covers should be put on when lavender plants are mostly dormant, which usually occurs once night temperatures average below freezing. They definitely need … Continue reading

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Ginseng Crop Update – June 17, 2016

Over the past few weeks we noticed that our 2nd year research garden has a lot of missing plants and what looks like new seedlings emerging. However, when these seedlings were dug up, the roots were those of 2-year old … Continue reading

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Ginseng Crop Update – June 3, 2016

There have been multiple reports over the past week of random plants wilting especially in 2-yr old gardens (Figure 1). These plants emerged relatively healthy and are now completely collapsing. The roots are shrivelled but with no signs of disease … Continue reading

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