frost

Botrytis risk May 20th to 24th and cold temperatures May 24th

Some fields had conditions for Botrytis infections over the last weekend from May 20th to May 24th.   If your field already had Botrytis disease before this weekend, then there was a chance of more Botrytis infection occurring under these weather conditions.  If you did not have any visible disease, then the risk of infection was […]

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6.03.20 Possible frost overnight June 1st to June 2nd in many locations

Possible Frost There were possible frost conditions in some locations overnight from Monday June 1st to Tuesday June 2nd.  The table below shows temperatures recorded at the weather stations.  There will be a range of temperatures in any field.  Temperatures below 30F can cause some damage but temperatures below 28F are associated with yield loss.   […]

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6.01.20 Frost and Botrytis risk from May 23rd to June 1st

Possible Frost There were possible frost conditions in most fields from Saturday May 23rd to 24th and Sunday May 31st to June 1st.  Some fields also had frost conditions Sunday May 24th to Monday May 25th.  Temperatures below 30F can cause some damage but temperatures below 28F are associated with yield loss.   The table below […]

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5.13.20 Cold temperatures overnight from May 12th to May 13th

As expected there were cold temperatures across blueberry growing areas overnight.  Please see below for the approximate length of time the weather station recorded temperatures approximately 32F. Location Hours at Cold Temperatures overnight May 12th to May 13th Brunswick 8 Waldoboro 9.5 West Rockport 4 Hope/Appleton 6 Searsport 3 Bluehill 9 Ellsworth/Hancock 9 Aurora 11.5 […]

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5.08.20 Mummy berry infections and frost May 6 to May 8th

There are still mummy berry cups reported in all locations that have been examined.  I think there are still cups present in all locations.  Over the past two days, a few fields near Brunswick, Waldoboro, Gouldsboro and Montegail experienced conditions for Monilinia infection on one or both of the last two nights.  Other fields, Brunswick, […]

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6.04.19 Frost Event Downeast, Morning of June 4

Frost The weather station in Deblois recorded a frost (temperatures below 32F) for two hours in the early morning of Tuesday  June 4th.   Other weather stations in Bluehill, Columbia, Whiting/East Machias and Cooper reported temperatures below 40F but not frost. There still may have been frost in other fields in these areas, particularly in low […]

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