Several folks have asked how our vineyards have faired after the wet, cool spring.  Below is the Client Newsletter sent by Barbour Vineyards, the vineyard management team that farms Butterdragon Hill.  My personal experience was when I walked the vineyards last week, there seemed to be a lot less fruit than I recall from previous years.

Barbour Vineyards

Q2 2011

Client Newsletter

The growing season is in full swing.  Luckily, the weather warmed up and all clients, including those on the mountains, will be through bloom by the end of June.

We now have some insight into crop yields for 2011.  We’ve seen light to moderate shatter in most of the valley and the impact appears to be dependent on when the vineyard was going through bloom during the late-May/early-June rains.  The rain caused caps to stick rather than going through flowering, which prevented berries from forming.  So, the blocks that bloomed earliest have good set with less shatter.  The blocks that were in mid-bloom during the rain experienced the most impact.  With the weather now dry [ed: this newsletter was written before this week's rainy day], vineyards currently going through bloom also have less shatter. More details below in the Growing Season Update article…..

Bottom line is we should expect yields lighter than usual this year in general.

2011 Growing Season Update

In addition to the news on potentially poor set mentioned in the article above, below are additional observations for the season:

Are We Behind?   It looks as though we are currently running two weeks behind normal which is slightly better than the 2010 season.  Should the normal temperatures continue, we could easily catch up.

Fruit Set Certain varieties such as Malbec and Petit Verdot are experiencing poor set.  Our observations indicate Petit Verdot has been perhaps hardest hit. Cabernet Sauvignon seems to be faring a little better, and we will have a more complete understanding of yields by mid-July.

Spray Schedules Because the onset of summer was delayed, we are anticipating an extension to the spray season.  The mild temperatures during May to mid-June, combined with high humidity increased the mildew danger.  A few weeks ago, we tightened our spray schedule for powdery mildew control.  There was a period of several weeks where we were unable to get into vineyards due to rain and some minor infections were noted in the foliage.  In those vineyards, treatment was successfully completed.  Although we are making every effort to keep costs down, please note an additional pass was/or may be required to ensure mildew is in control.

Vigorous Canopy Growth For the third year in a row, late rains left us with abundant foliar growth.  This will likely result in additional canopy manipulation to keep vines open for light penetration and air movement – crucial for fruit ripening and development as well as controlling fungal disease.

What’s Happening in Your Vineyard?

The following activities will be happening in your vineyard for the next several weeks:

  • TUCKING CANES
  • TOPPING CANES
  • CUTTING LATERALS ON MORNING SIDE
  • CUTTING FRUIT FROM SHORT SHOOTS

Again, depending on weather, we may need to make more than one pass over the coming months to complete each one of those tasks.

A LOOK AHEAD…..The forecast is for average summer temperatures going forward.  We’ll keep our fingers crossed this becomes reality.

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3060 White Sulphur Springs Rd
St Helena, CA 94574
t: (707) 200-3510
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