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Switzerland2021-09-18T18: 12: 18 + 02: 00

The PIWI-CH association

Executive Board

  • Roland Lenz, President
  • Bea Steinemann, Vice President, Board Member PIWI International
  • Edy Geiger, finance
  • Bruno Bosshart
  • Ruedi Meyer
  • Nora Breitschmid
  • Daniel Schwarz, actuary and member administration

Become a Member

In our brochure you will find information about our club and a registration salon.

Brochure (PDF 4 MB)

Or register interest at info@piwi-ch.ch
We will then contact you!

Latest News

PIWI varieties at a glance - results in the rainy year 2021

PIWI vines have been around for over a hundred years. Only a few were able to establish and hold onto. While the time of the regent seems to have expired, Léon Millot or Maréchal Foch are still being grown. But in times of ecological agriculture and climate change, more and more winegrowers are interested in new varieties that spring up like mushrooms. Piwi pioneer Edy Geiger provides an overview.

Source: DIE ROTE - Swiss journal for fruit and wine growing 13/2021

read on (PDF)

October 12, 2021|

How robust are PIWI vines?

The proportion of fungus-resistant grape varieties in Switzerland is 3%. Interest in them is growing steadily, and not just because of this year's capricious weather. The question arises: which varieties are best and how well are they protected against powdery mildew and downy mildew? PIWI pioneer Edy Geiger from Thal (SG) reveals his assessments below. They are supplemented by the perspective of Roman Baumann, who, together with his family in Turtmann (CVS), is growing a wide range of PIWI.

Source: DIE ROTE - Swiss journal for fruit and wine growing 13/2021

read on (PDF)

October 12, 2021|

New start to Wine and Dine at Hiltl Zurich

All good things come in threes ... After two corona-related postponements, we hope that the third attempt will work.

We would like to invite you to take part in our Experimental Wine and Dine at the academy of the HILTL restaurant in Zurich.
Date October 22, 2021 - Registration required by October 8, 2021 at the latest to info@piwi-ch.de

In the vegetarian 4-course menu, only Swiss PIWI wines are served by members of PIWI CH.
Which wine goes best?

We are looking forward to your participation!
All details and registration address in the flyer.

September 18, 2021|

Large PIWI dossier - varieties, wines and options in DIE ROTE - fruit and viticulture CH

Ganz in der Tugend der Zeitschrift DIE ROTE – Schweizer Zeitschrift für Obst- und Weinbau, die seit 157 Jahren im Zeichen des Wissenstransfers steht, widmet sich DIE ROTE in der Ausgabe 08/2021 intensiv den PIWI-Sorten, zeigt ihre Möglichkeiten auf, aber verschweigt auch die Probleme nicht. Der PIWI-Anteil liegt im Moment in der Schweiz bei 3 %, aber man braucht kein Prophet sein, um zu orakeln, dass er nicht so tief bleiben wird.

Chefredakteur Markus Matzner

… weiterlesen ab Seite 8 (PDF 10 MB, Deutsch)

August 21, 2021|

I don't want to spray my vines! Interview with agronomist and organic pioneer Fredi Strasser

Fredi Strasser is considered a pioneer when it comes to PIWI viticulture and from an early age was inspired by the idea of not having to spray his vines. Following this ideal, he devoted himself to research and cultivation of fungus-resistant grape varieties throughout his life, and his experience and knowledge can be found in the book Fungal resistant grape varieties held.

Listen to the podcast with Daniel Bayer on Youtube

You can find more podcasts on the topic of PIWI at Daniel's www.wein-verhaben.de

PIWI book Fredi Strasser
August 3, 2021|

The wine that nobody knows ...

REBAU. Organic quality is also becoming more and more popular with wine. But of all things the grape variety that is best suited struggles.


Edy Geiger is honest, but this morning he is deliberately breaking the law. It's still early, foggy and pretty quiet. Dew lies on the vineyard in the St. Gallic valley. Normally at this time the vintner sits in the office with a shirt and tie, now he's out and about with new seedlings in his vineyard. An environmentally friendly variety: Maréchal Foch. What he's doing is good for nature, but unfortunately illegal.

Source: Observer 8/2021 - CH
Continue reading

April 10, 2021|

PIWI WEIN - Departure for new wine times PIWI CH January 2021

Dear readers
Dear Piwians and connoisseurs

"It is not the strongest species that survives, nor the most intelligent, it is the one that is most likely to adapt to change." Charles Darwin

Yes, the year 2020 is really tough. These days, the positive and negative are often not far apart. The everyday is questioned, the unusual suddenly becomes normal. 2020 is pure change!
Reflection is once again the order of the day. Unfortunately, this is linked to the realization that we can only change and influence the world positively on a small scale. But at least we should enjoy that to the full!
It is unbelievably positive that we are allowed to make our life worth living in democratic Switzerland! A huge privilege!
Shift down a gear, give yourself and your loved ones more time, create something special in everyday life and consciously treat yourself to something good every now and then ...

This is what Marc Almert, Sommelier World Champion 2019/2020 said to himself. Since his place of work, the Hotel Baur au Lac in Zurich, was not exactly busy at the beginning of July due to Covid 19, he took a little PIWI break. After an extensive tour through our vineyards and winery, the focus was on tasting various PIWI wines: a real wow experience for Marc! But read his tasting notes for yourself right away!

The implementation of the first general meeting of PIWI CH on June 30, 2020 can really be described as successful. 60 people took part in the informative rebuild tour. Around 50 members and guests stayed for the meeting, followed by a tasting. We will therefore also plan the practical linking of technical PIWI cultivation topics and the general meeting next year. Unfortunately, the pandemic thwarted the rest of the annual planning: we were unable to carry out the wine trip to Poland or the W&D in Hiltl in Zurich. But, as is well known, postponed is not canceled!

Social change, global warming, the pandemic and other changes will continue to concern us in 2021. Flexibility and a spirit of innovation are required more than ever, which is nothing new for us Piwians!

Have fun reading and "stay healthy!"
Roland Lenz / President of the PIWI CH association

read on (PDF 4Mb)
February 17, 2021|

Agriculture - with nature!

A very interesting program about naturalness in agriculture - from minute 16 PIWI topic (Valentin Blattner and Roland Lenz)

watch a movie
February 10, 2021|

Is the market ready?

The marketing of PIWI wine is characterized by various challenges.

Text: Christoph Kiefer, M.Sc. and Prof. Dr. Gergely Szolnoki, Hochschule Geisenheim University

Mushroom-resistant (PIWI) grape varieties are the next logical step towards sustainable cultivation within organic viticulture. Although PIWI grape varieties achieve economic and ecological advantages for winegrowers, fewer than three percent of German vineyards are planted with them. Other wine-growing countries such as France and Italy are registering increasing breeding successes, but the proportion of PIWIs in these countries is also at a low level. This mainly results from the lack of market acceptance by the consumer. Customer acceptance of these innovative grape varieties remains low despite the increased demand for sustainable food.

Within the VitiFIT, the team from Geisenheim examines the complete value chain of PIWI wines in order to better understand the attitudes and needs of producers, marketers and consumers. Based on this, a communication strategy is to be developed at the end of the project in order to establish PIWIs on the market in the long term.

This article analyzes the current market acceptance.

Source: Deutscher Weinbau 25-26 / 2020

read more (PDF, 1MB)
January 20, 2021|

Pesticide cocktails in Swiss wine

Half of the 15 Swiss wines in the “Kassensturz” test contain five or more pesticides.
Author: Adrian Zehnder

The sample includes popular Swiss wines from the retail trade: five whites, one rosé and, above all, red wines from the major Swiss growing areas, made with the typical grape varieties Pinot Noir (Blauburgunder) or Merlot. Chasselas dominates the white wine. These varieties are considered pesticide intensive. The wines cost between 7.50 and 22 francs.

Source: Kassensturz

read on / watch film
17th January 2021|
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