2019 West Coast Weather Thread

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Merrill Lindquist
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Re: 2019 West Coast Weather Thread

#201 Post by Merrill Lindquist » May 31st, 2019, 5:18 pm

I just walked out to the vineyard and you can smell the bloom as you approach it. So sweet. With a high today of 86, and a forecast of a warmer Saturday and even warmer Sunday, this should go rather quickly. Please.
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Re: 2019 West Coast Weather Thread

#202 Post by Casey Hartlip » May 31st, 2019, 6:22 pm

Today I saw my first negative impact of the wet spring: some shoot botrytis in some Pinot. I saw a touch in there a while back and luckily it's starting to grow out of it. Happy to say there's no damage to any of the clusters. My guess is in another 10 days only a very experienced eye will be able to spot it. Will try to get a shot of it up soon for educational purposes.

I also reached an agreement on over 35 plus tons of Pinot. Time for a cocktail!
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Re: 2019 West Coast Weather Thread

#203 Post by Merrill Lindquist » June 2nd, 2019, 2:02 pm

A nice walk through the vineyard just showed what every grape farmer would wish for: pretty uniform bloom in all areas of the vineyard, resulting from little wind, no precipitation, hot sun, cool nights. Perfect for a great set! Within the week, fruit set should be what we are looking at. The weather forecast looks gorgeous!
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Re: 2019 West Coast Weather Thread

#204 Post by P Intag » June 3rd, 2019, 1:02 pm

Casey Hartlip wrote:
May 20th, 2019, 8:35 am
Merrill Lindquist wrote:
May 20th, 2019, 6:02 am
Stewart Johnson wrote:
May 19th, 2019, 7:35 pm
Whether you're flowering or not, this weather is probably having an adverse on next year's fruitfulness. Supply could tighten up beyond this year.
Can you share a little more information about this?
Next year's crop is being formed inside the canes of this year's growth. The spring and early summer weather is important for next year. The amount of sun and warmth on the vines happening now matters to next crop.
If I remember correctly, the 2011 vintage in Cali was marked with generous spring rains into June. The 2012 vintage was not adversely affected as far as I know. Care to shed some light on why this theory did not hold for 2011 - 2012?
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Re: 2019 West Coast Weather Thread

#205 Post by Casey Hartlip » June 4th, 2019, 5:53 am

Someone smarter than me will have to answer. It's called primordial bud development. I'm told that scientists can dissect buds from vines before budbreak and do cluster counts. As for the 2011-2012 thing....sometimes theories are proven wrong. Hey when t he weather is a crazy as it was a few weeks ago, a farmer has to worry about SOMETHING!
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Re: 2019 West Coast Weather Thread

#206 Post by Carole Meredith » June 4th, 2019, 4:24 pm

Casey asked me to post this photo of grape flowers that I labeled to help folks understand what's going on. (I posted it a couple of days ago on Instagram, Facebook and Twitter so you may have seen it there.)

Flowering.JPG
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Re: 2019 West Coast Weather Thread

#207 Post by Stewart Johnson » June 4th, 2019, 10:14 pm

I was spraying today and thinking that, despite bloom still ongoing in the pinot and chard, I wasn't smelling much. Then I motored into the viognier and got whalloped by wall of fecund, flowery aromas. Viognier can't help being aromatically forward at every stage of development.
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Re: 2019 West Coast Weather Thread

#208 Post by Casey Hartlip » June 5th, 2019, 6:00 am

Thanks for posting that pic Carole! We talk so much about bloom it's great for folks to get an idea of what's happening. Please don't be a stranger. Would love to get updates from your spot on Mt. Veeder.

With a couple cool days coming we're going to sulfur dust our high mildew pressure Chard blocks tonight. I want to get some material out there and I've always been told dusting during bloom was the safest (as long as it's not real hot). I'm also meeting a PCA this morning to talk spray strategy.
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Re: 2019 West Coast Weather Thread

#209 Post by Casey Hartlip » June 5th, 2019, 12:24 pm

IMG_20190605_090746048_HDR.jpg
Young Chard getting it done! Other Pinot blocks still just getting going.
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Re: 2019 West Coast Weather Thread

#210 Post by Roy Piper » June 7th, 2019, 11:41 pm

Gonna hit 100-109F in the valley on Monday, and probably 90-100F Sunday and Tuesday.
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Re: 2019 West Coast Weather Thread

#211 Post by Alan Rath » June 8th, 2019, 10:35 pm

What does a major heat spike like this do to flowering vines?
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Re: 2019 West Coast Weather Thread

#212 Post by David Wright » June 8th, 2019, 10:50 pm

Carole Meredith wrote:
June 4th, 2019, 4:24 pm
Casey asked me to post this photo of grape flowers that I labeled to help folks understand what's going on. (I posted it a couple of days ago on Instagram, Facebook and Twitter so you may have seen it there.)

Flowering.JPG
Nice, clear diagram. Can't help but wonder -- who are the pollinators of these modest flowers?.

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Re: 2019 West Coast Weather Thread

#213 Post by Merrill Lindquist » June 9th, 2019, 9:54 am

Alan Rath wrote:
June 8th, 2019, 10:35 pm
What does a major heat spike like this do to flowering vines?
Just pushes them along, to my knowledge. My fruit is set, and the guys are out there, now, suckering. It's a large crop at this point, but there are 90 days or so to harvest, and a lot can happen in the meantime.

My cover crop came in again - I have mustard waist high! Those late, heavy rains inspired them.
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Re: 2019 West Coast Weather Thread

#214 Post by Merrill Lindquist » June 10th, 2019, 12:25 pm

97 degrees at noon in St. Helena/Calistoga.
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Re: 2019 West Coast Weather Thread

#215 Post by Casey Hartlip » June 11th, 2019, 2:20 pm

IMG_20190610_101959037_HDR.jpg
Clone 17 Chard certainly past BB sized berries.

I cruised around many fields the last couple of days and we're coming out of full bloom quickly. Not many berries falling off yet. Getting ready for a post bloom spray.
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Re: 2019 West Coast Weather Thread

#216 Post by Merrill Lindquist » June 14th, 2019, 8:35 am

Well the weather certainly has improved - you can actually go outside! The guys came back in the cooler weather to finish suckering, and my neighbor stopped by to ask if I would like him to disk and drag through my vineyard. A resounding yes!

The fruit is fully set, and now with the on-productive shoots removed, I can get out there and see what kind of tonnage we might be looking at.
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Re: 2019 West Coast Weather Thread

#217 Post by Stewart Johnson » June 14th, 2019, 6:58 pm

I damn neared rolled into the biggest swarm of bees with the sprayer today that I've ever seen in the vineyard. About 4 foot by 1.5 foot solid mass of parked honeybees with a 15 foot diameter cloud of the airborne contingent. Not the most aggressive types, but I still think it might have pissed them off to get hit with the airblast sprayer and oil. I normally have my eyes on the base of the vines as I work an herbicide spot sprayer on suckers while I'm spraying fungicide on the canopy. I just happened to look up as I was about to enter the cloud. I'm sure they were pretty loud, but so is the sprayer, and I think I would have felt them before I heard them. I took a pic, but it didn't come out very well, and I haven't quite figured out how to post them here. Anyway, after backing up 600 feet out of the row, I gave them a pretty wide berth, and by the time I'd finished the rest of the vineyard they had moved on. The vine they had swarmed looked pretty trampled afterward, but no real harm done.
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Re: 2019 West Coast Weather Thread

#218 Post by Stewart Johnson » June 14th, 2019, 7:01 pm

P Intag wrote:
June 3rd, 2019, 1:02 pm
Casey Hartlip wrote:
May 20th, 2019, 8:35 am
Merrill Lindquist wrote:
May 20th, 2019, 6:02 am
Can you share a little more information about this?
Next year's crop is being formed inside the canes of this year's growth. The spring and early summer weather is important for next year. The amount of sun and warmth on the vines happening now matters to next crop.
If I remember correctly, the 2011 vintage in Cali was marked with generous spring rains into June. The 2012 vintage was not adversely affected as far as I know. Care to shed some light on why this theory did not hold for 2011 - 2012?
I remember thinking the same thing. I put that question to a couple other growers after 2012 and I don't remember anyone having a good answer.
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Re: 2019 West Coast Weather Thread

#219 Post by Stewart Johnson » June 14th, 2019, 7:02 pm

David Wright wrote:
June 8th, 2019, 10:50 pm
Carole Meredith wrote:
June 4th, 2019, 4:24 pm
Casey asked me to post this photo of grape flowers that I labeled to help folks understand what's going on. (I posted it a couple of days ago on Instagram, Facebook and Twitter so you may have seen it there.)

Flowering.JPG
Nice, clear diagram. Can't help but wonder -- who are the pollinators of these modest flowers?.
Grapes are self-pollinators. No help needed beyond decent weather.
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Re: 2019 West Coast Weather Thread

#220 Post by Stewart Johnson » June 14th, 2019, 7:12 pm

Alan Rath wrote:
June 8th, 2019, 10:35 pm
What does a major heat spike like this do to flowering vines?
I think a heat spike can be helpful at transitional stages like flowering and veraison in getting the vineyard synched up. Cool weather during set and veraison seems to involve more stragglers. I probably had some lagging viognier that wrapped up faster because of the heat, but it really hit the syrah perfectly. I don't think there was a single flower in the syrah 10 days ago, and set was a complete wrap by today. That's a tighter window than I'm used to.
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Re: 2019 West Coast Weather Thread

#221 Post by Merrill Lindquist » June 15th, 2019, 12:54 pm

Stewart Johnson wrote:
June 14th, 2019, 7:12 pm
Alan Rath wrote:
June 8th, 2019, 10:35 pm
What does a major heat spike like this do to flowering vines?
I think a heat spike can be helpful at transitional stages like flowering and veraison in getting the vineyard synched up. Cool weather during set and veraison seems to involve more stragglers. I probably had some lagging viognier that wrapped up faster because of the heat, but it really hit the syrah perfectly. I don't think there was a single flower in the syrah 10 days ago, and set was a complete wrap by today. That's a tighter window than I'm used to.
Heat "spikes" can leave sunburn on your fruit, depending on what stage your fruit is. It is a major worry here in the hot lands, turning beautiful berries to mush or raisin.
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