Vine status I was hoping to see some progress by now, but since the temperature has been relatively low (or maybe normal for this time of the year), vines have… Read more
Vine status Unfortunately, many of our vines were affected by the frost event yesterday. I have heard from Northern VA, the Shenandoah Valley, and Central VA, with varying degrees of… Read more
Here are snapshots from the last week, showing the number of days with the risk of each disease: Ph = Phomopsis, PW = Powdery mildew, BR = Black rot, and… Read more
Unfortunately, many of our vines suffered from frost events that happened over the past weekend (and this morning for some of us). I think I lost about 30-40% of Chardonnay… Read more
Several growers contacted me recently to discuss about disease management after recent frost events. Here are my take on it. 1) If you have some damages on your shoots/buds.As usual,… Read more
As with many other places in the VA, we were suffering from frost damages. We experienced several near freezing events this year, and most notably, a few hours of 25F… Read more
Damages from Monday’s frost event showed up a few days after. About 5-10% of shoots (or leaves) on our Merlot vines which is located near the bottom of a hill… Read more
Looks like some of us got a frost bite here and there. I hear some people got mid-20’s this morning. It is probably too early to tell, but most of… Read more
As of 3/29/12, about 20% of our Chardonnay buds and shoots are showing the injuries from the frost event on 3/27/12. Damages on Merlot is about 5%. I hope your… Read more
This page from Michigan State University Extension describes the temperature threshold to have frost/cold injury on Concord vines. Hopefully we won’t receive any frost at this point. Also, I updated… Read more