Cook Vineyard Management Newsletter

For your convenience



Store Hours:
Monday through Saturday 8:00 AM - 4:00 PM
Sunday 8:00 AM- 2:00 PM

Now is a great time to work on your yard and garden. 
We carry a variety of E.B.Stone soils, plant foods & fertilizers,
as well as aeration Grow Bags. 

Free Delivery in the 95476 zip code, for orders of a $100.00 or more.

Come in, get your E.B. Stone soil, plant food and more 
Load and Go...    or we can deliver!

We will be getting more plant starts in this week.
Call 707-938-7917 for updates;
or look for updates on Facebook or Instagram.

Now is the perfect time to plant...

and face it; you have the time!



 In a couple weeks, we will be entering

"Flowering Season."


May has always been a crucial and important 
time of year, in the vineyards, 
and “Vintage 2020” is no exception.

We are about 10 to 14 days behind a normal growing season, but with that said, things are catching up quickly.

The last few weeks have had some
great “growing weather.”

Let's hope, the rain predicted for this week,
doesn't slow things down!



Why is flowering
such an important time of the year?

There are two reasons;
the first is easiest to explain. 

In the next three to four-weeks,
every potential grape in the cluster
will self-pollinate, 
or die on the vine.

There is not a lot we can do about it,
except to monitor and
stay away from the vineyard
as much as possible.


The second reason is harder to see,
but just as important and requires our participation.

It's one of the only times of the year
we can sample the tissues 
of a vine for its nutrient needs,
 and to see what we can’t see.  

Petiole sampling.
The Petiole is the Stem of the Leaf


So how do you take a petiole sample and when?

Taking a petiole sample is easy, but time consuming.
The best time to take this sample
is when the vineyard is at 80% flowering.

This is normally occurs the middle of May, 
however, this year,
it may be closer to the beginning of June.
     First, you collect 50 to 100 petioles,
 from the vineyard.

    It is crucial that all the petioles are from the same block, without any difference
in variety, clone or rootstock.
If a vineyard has different types of vines
then other samples,
should be taken separately.
The petiole should be taken from the opposite side of the first cluster.

Meaning, the shoot normally has two clusters and on the opposite side of the shoot,
there will be a petiole with a leaf attached.
Some experts like samples
of both the leaf blade and the petiole.
in small vineyards, due to cost,
the petiole is the only sample.

 The most important
component of the sample integrity,
is the storage.

Once the sample is taken,
the recommended storage,
is in a brown paper bag,
to be refrigerated
before shipping it off to the laboratory for results.

 If you need information, there are several different laboratories and we will be happy to make some recommendations. 
Just email us at

Viticulture has its own language
and this time of year,
you will hear us using words
like Bloom (the flowering process). 

Sticky cap, occurs if it rains during bloom.
  Because of the moisture,
the cap on top of the dormant flower,
has difficulty falling off. 
This can interrupt the flowering process.

Percent of Shatter, is damage
to the flowering process,
normally described in percentages
and can affect yield.

Having a healthy vineyard,
can help in the flowering process.
Petiole sampling, can provide
the required information,
to understand the needs of the vineyard
and correct them over time.

Quote of the week-


“Spring is when life's alive in everything.”

                                                                           Christina Rosset



Come in and see our amazing Bird Boxes from:


Their Green Agriculture Approach,  provides an environmentally friendly approach,
for controlling rodents,
significantly reducing crop loss
with minimal use of chemicals.


Rodent Control - Nature’s Way!

“Due to increasing rodent populations and a need to reduce chemical use in the field,
use of barn owls in agriculture, is rapidly increasing.” 


you can use these boxes to help control pests without using poison and insecticides.

We have the boxes here for purchase.


 For more information, Please Call 707-938-7917
or email:


Do you need to rent a Van or Truck? 

Need moving supplies?

CVM is an Authorized U-Haul Dealer
We can help you with your moving needs

 Call: 707-948-7917  or  707-938-7917

Have you been to CVM / Cook's lately? 

19626 Eighth Street East  Sonoma CA  95476


  If not, drop by and see what's new!





We have expanded our Wine and Beer Making Supplies, in addition to having a larger than ever Gift Section.  Check out our beautiful selection of Wine Country Gifts - Rosy Ring and Frasier Fir Candles and home goods, Harry Barker Dog bowls, leashes and collars, slate cheese plates, Stolzle Wine Glasses,  Olive Sonoma Olive Oil, McEvoy Ranch Products, Stonewall Kitchen Specialty Food Gifts and More!




Vineyard and Irrigation Supplies.

If you use it in the vineyard... we sell it at the store.

We also carry Beer and Winemaking Supplies along with Specialty gifts.

We are an Authorized Dealer!

The CVM Store, or "Cook's" as the locals call us,  is located at
19626 Eighth Street East, Sonoma. 
Our hours are 8:00 a.m. - 4:00 p.m.  Monday through Saturday.

We are looking forward to serving you!  Please drop by the store or call with questions.

707-938-7917  "Cook's", The CVM Store Direct Line
707.490.8921 After Hours

Copyright © *|2018* *|Cook Vineyard Management|*, All rights reserved.

Our mailing address is:
19626 Eighth Street East, Sonoma, CA 95476

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The CVM Store · 19626 Eighth Street East · Sonoma, Ca 95476 · USA

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