<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Please make sure you have hoses, fire extinguishers and other fire prevention items nearby if you are igniting anything outdoors. We have extremely dry winter conditions, very low humidity and some wind.<div><br><br><div dir="ltr"><div><span style="font-size: 13pt;">Martyn</span></div></div><div dir="ltr"><br><blockquote type="cite">On Feb 21, 2022, at 12:14 AM, Jonathan Goodling <jonathan@housefamilyvineyards.com> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div dir="auto">Hi All,</div><div dir="auto"><br></div><div dir="auto">A very doable way to provide frost protection is to light little bonfires in strategic places around the vineyard. In low spots, in front of hedges or anywhere where cold air could pool up. </div><div dir="auto">Stack up some pallets stuffed with some cardboard straw or other kindling. That way you can super quickly light the pile if the temperature drops (but don’t forget to pick up the nails the next morning or they’ll end up in your tires) . Bales of straw also make good quick fires. Or make little stacks of firewood and have them them ready to light. </div><div dir="auto">Another way is to use metal buckets, paint cans or big food cans and fill them with vegetable oil or wax and make a big wick out of cardboard or old rags. Those don’t move the air like the bonfires but give off just enough heat to protect the buds. But hence you need a lot of those makeshift smudge pots. Be prepared to refill them at some point in the middle of the night if they burn for a long time. </div><div dir="auto">Tons of the little votive candles sold in many Hispanic supermarkets make good little heaters as well, but you need a TON!</div><div dir="auto"><br></div><div dir="auto">Other strategies are mowing the vegetation in the rows really short or even better till it under. The ground warms up during in the day and radiates heat back during the night but if there is a thick cover crop the heat doesn’t reach the vines. </div><div dir="auto">If you can irrigate it helps too. Wet soil stores more heat than dry soil. </div><div dir="auto">Keeping the air moving in critical spots with an air blast sprayer can just provide enough air mixing to prevent damage if the frost isn’t too severe. </div><div dir="auto">Spraying copper based fungicides will reduce the number of ice-nucleating bacteria (pseudomonas) on the buds and thus damage may not occur at 32F but maybe a couple degrees below that giving them that extra edge of protection. </div><div dir="auto">There are other techniques available but they are either not available quickly like sprinklers or they are very expensive like mobile windmills, or they are illegal like frost smoking. </div><div dir="auto"><br></div><div dir="auto">Best frost protection is site selection and late pruning. Applications of horticultural oils on the dormant buds can also delay bud break. If you can me prune wait with the tying until after the frost. If the canes stick up straight in the air they often avoid the colder air closer too the ground. </div><div dir="auto"><br></div><div dir="auto">Keep in mind that all these strategies are for situations where the air is still and the sky is clear. Typically during an inversion event. </div><div dir="auto">If cold arctic air blows in and it’s windy none of these strategies will help. </div><div dir="auto"><br></div><div dir="auto">Good luck to everyone and stay warm,</div><div dir="auto"><br></div><div dir="auto">Jonathan </div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto"><br></div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Feb 20, 2022 at 16:05 David Goldfarb <<a href="mailto:davidmgoldfarb@gmail.com">davidmgoldfarb@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)"><div dir="auto">Hi Megan,<div><br></div><div>For future vintages, you want to consider delayed pruning and micro sprinklers. </div><div><br></div><div>For this vintage, we have some old smudge pots laying around—free for you to use if you like. </div><div><br></div><div>Thanks,</div><div>David <br><br><div dir="ltr">Sent from my iPhone</div><div dir="ltr"><br><blockquote type="cite">On Feb 20, 2022, at 1:49 PM, Megan Bell <<a href="mailto:megan@marginswine.com" target="_blank">megan@marginswine.com</a>> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"></div></blockquote></div></div><div dir="auto"><div><blockquote type="cite"><div dir="ltr"><div dir="ltr">Hi folks,<div><br></div><div>Just reaching out to see what, if anything, growers in the SCM do for frost protection. We have ~3 in shoots out already in some of the Pinot, and the forecast for Tues-Thurs night does not look promising. Any ideas? We don't have overhead sprinklers. And of course we don't have smudge pots or wind machines.</div><div><br></div><div>Thanks,</div><div>Megan<br clear="all"><div><br></div>-- <br><div dir="ltr" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr" style="font-size:12.8px"><span style="font-size:12.8px;font-family:garamond,serif;color:rgb(53,28,117)"></span></div><div dir="ltr" style="font-size:12.8px"><span style="font-size:12.8px;font-family:garamond,serif;color:rgb(53,28,117)"><img src="https://drive.google.com/uc?id=1znbPpY0Z_fyWsPGNFCEsPN7keO6r7UAa&export=download" width="95" height="96" style="font-family: garamond, serif;" data-unique-identifier=""><br>Megan Bell</span></div><div style="font-size:12.8px"><font face="garamond, serif" style="font-family:garamond,serif;color:rgb(53,28,117)">Margins Wine</font></div><div style="font-size:12.8px"><font face="garamond, serif" style="font-family:garamond,serif;color:rgb(53,28,117)"><a href="http://www.marginswine.com/" target="_blank" style="font-family:garamond,serif">www.marginswine.com</a></font></div><div style="font-size:12.8px"><font face="garamond, serif" style="font-family:garamond,serif;color:rgb(53,28,117)">(925) 413-2654</font></div></div></div></div></div></div></div>
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