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Vineyard Underground

Fritz Westover
Vineyard Management
Viticulture
Grape Growing
Pruning Techniques
Soil Moisture Monitoring
Canopy Management
Vineyard Floor Management
Wine Production
Powdery Mildew
Soil Health
Vineyard Mechanization
Cover Crops
Arizona Wine Industry
Custom Crush Facilities
Spray Adjuvants
Analyses In Winemaking
Weed Management
Grape Growing Practices
Integrated Weed Management
Vine Planting

What if you could hang out with experienced grape growers, ask them about the science of grape growing, vineyard operations, and more; then take an insight or two to improve your vineyard and ultimately the quality of the wines you produce? That's what we do each week on the Vineyard Underground. Hosted by Fritz Westover –– viticulture expert more than 20 years of experience in the vineyard indust... more

PublishesTwice monthlyEpisodes103Founded4 years ago
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Artwork for Vineyard Underground

Latest Episodes

In this conversation, Fritz continues his deep dive with Thijs Verschuuren of Herman J. Wiemer, exploring practical baby steps toward biodynamic and organic vineyard management. Thijs walks through how he structures a non-systemic spray program in a ... more

In this episode, we dig into what it really looks like to take manageable, real-world steps toward biodynamic and organic winegrowing with Thijs (Taze) Verschuuren, Director of Vineyard Biology and biodynamic specialist at Hermann J. Wiemer Vineyard ... more

We mark a major milestone with our 100th episode by stepping back to look at where the vineyard industry has been and where it's headed next. Fritz walks us through what's in, what's out, and what's coming for growers who want to stay profitable and ... more

Dr. Katie Gold and Dave Combs from Cornell University join Fritz to unpack one of the most confusing topics facing winegrape growers today: how biological fungicides truly fit into a spray program.

Katie explains how the Cornell grape pathology pro... more

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Recent Guests

Thijs Verschuuren
Director of Vineyard Biology and Biodynamic Specialist at Hermann J. Wiemer Vineyards
Hermann J. Wiemer Vineyards
Episode: 101: Baby Steps Towards Biodynamics & Organic Growing Practices - Part 1 with Thijs Verschuuren
Katie Gold
Dr. Katie Gold, Assistant Professor of Grape Pathology, Cornell University
Cornell University
Episode: 099: Compatibility Test – How Do Biologicals Fit Into Your Spray Program with Katie Gold & Dave Combs
Dave Combs
Dave Combs, Research and Extension Support Specialist, Cornell University
Cornell University
Episode: 099: Compatibility Test – How Do Biologicals Fit Into Your Spray Program with Katie Gold & Dave Combs
Matthew Fidelibus
Extension Specialist, UC Davis
UC Davis, Department of Viticulture and Enology
Episode: 096: Do Plant Growth Regulators Have a Place in Winegrapes with Dr. Matthew Fidelibus
Rob Warren
Owner of Desert Willow Vineyards, organic grower on the Texas High Plains
Desert Willow Vineyards / Warren Farms
Episode: 095: Transitioning from Conventional to Organic Grape Farming with Rob Warren
Jaclyn Fiola
Assistant Professor of Soil and Environmental Science, Delaware Valley University
Delaware Valley University
Episode: 094: Vineyard Nutrition Essentials - Magnesium Fundamentals with Dr. Jaclyn Fiola
Dr. Terry Bates
Senior Research Associate at Cornell University and Director of the Cornell Lake Erie Research and Extension Lab for Cornell AgriTech
Cornell University
Episode: 093: Vineyard Nutrition Essentials - Phosphorus Fundamentals with Dr. Terry Bates
Dr. Markus Keller
Viticulture researcher, author of The Science of Grapevines
Washington State University
Episode: 092: Vineyard Nutrition Essentials - Nitrogen Fundamentals with Dr. Markus Keller
Jenny Schultz
Co-owner and winemaker at Jolie-Laide Winery
Jolie-Laide Winery
Episode: 091: Rare Grape Varieties & Their Wines with Jolie-Laide Wines

Host

Fritz Westover
Host and viticulturist with extensive vineyard expertise, guiding episodes with practical, science-informed viticulture guidance.

Reviews

5.0 out of 5 stars from 175 ratings
  • Practical info for all growers

    Always a fun listen, and super informative! I enjoy the wide range of guests and perspectives.

    Apple Podcasts
    5
    Jarring 365466
    United States4 months ago
  • Very informative for Okanagan Valley

    Loved the stuff on biologicals

    Apple Podcasts
    5
    Echo Ridge Wines
    Canada2 years ago
  • The best vineyard podcast

    This show is one of the best resources for viticulturists and wine enthusiasts who want to learn more about the vineyard. I recommend it to everyone I know in the industry!

    Apple Podcasts
    5
    420xxTH0T_B0Ixx69
    United States2 years ago
  • Very Helpful

    I have been drinking from a fire hose for the past yr learning how to manage a vineyard. Every episode has been helpful. I listen on the tractor or in the cellar. The steep learning curve is less steep after listening to this show. Thank you tons!

    Apple Podcasts
    5
    W_A15
    United States2 years ago
  • Awesome podcast!

    Fritz is so knowledgeable about viticulture and has educated and interesting guests on his show! This is a must listen for anyone interested in viticulture and enology. We are grape growers and are members of his academy too, Fritz is top notch!!

    Apple Podcasts
    5
    Sjnxksifxj
    United States2 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Audiences appreciate diverse guest expertise and real-world trial insights.
The host is regarded as knowledgeable and engaging, making complex topics accessible.
Listeners view the show as a highly practical, no-fluff source of vineyard knowledge.

Talking Points

Recent interactions between the hosts and their guests.

102: Baby Steps Towards Biodynamics & Organic Growing Practices - Part 2 with Thijs Verschuuren
Q: What is the most critical spray window during bloom and cap fall, and how do you time your program around those stages?
Cap fall is the critical window, with a follow-up spray about seven days later; the sulfur/copper or tea spray cadence is then adjusted based on canopy development and disease pressure, aiming for regular coverage and avoiding missed windows.
101: Baby Steps Towards Biodynamics & Organic Growing Practices - Part 1 with Thijs Verschuuren
Q: Why is biodynamic farming considered different from organic in practice?
Biodynamics is framed as a holistic, ecological, and self-sustaining approach that integrates soil health, biodiversity, and farm organisms, whereas organic emphasizes what cannot be used and the basic soil and ecosystem health, but biodynamics adds a broader philosophical and systemic framework.
100: 100 Episodes In: What's In, What's Out, and What's Next for the Vineyard Industry
Q: I have a question about nutrient deficiencies in high pH soil and iron chelates; should I treat based on tissue test alone if there are no visual symptoms?
If there are visual symptoms and a tissue test confirms iron deficiency, treat accordingly. In high pH soils, use an EDDA- or EDDHA-chelated iron and consider foliar options if compatible with tank mixes; monitor with follow-up tissue tests to guide ongoing management.
099: Compatibility Test – How Do Biologicals Fit Into Your Spray Program with Katie Gold & Dave Combs
Q: How should growers approach using biologicals during the critical pre-bloom to post-bloom window?
Prioritize using the strongest conventional products during that window, and consider placing biologicals in rotation; aim for at least two to three rotations of biologicals in the season to balance efficacy and resistance management.
099: Compatibility Test – How Do Biologicals Fit Into Your Spray Program with Katie Gold & Dave Combs
Q: What did your tank-mix study with biologicals and conventionals reveal about the potential advantages of mixing them together?
The study generally found little to no advantage to mixing biologicals with conventional products in the tank; in some cases, there was a negative interaction likely due to water chemistry, and in others there was no improvement in control.

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Frequently Asked Questions About Vineyard Underground

What is Vineyard Underground about and what kind of topics does it cover?

This series centers on practical viticulture, blending research-backed insights with hands-on vineyard experience. Episodes cover biodynamic and organic transitions, soil health, disease management, nutrition, and strategic decisions from planting to harvest. The show often features university researchers and veteran growers sharing real-world trials, case studies, and actionable steps for improving vine health, yields, and wine quality. A standout trait is the host's ability to translate technical topics into clear, field-ready guidance, frequently tying science to on-farm decisions and economics. Potential listeners include commercial growers, vineyard managers, enologists, and agtech enthusiasts seeking approachable, evidence-based vitic... more

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Which podcasts are similar to Vineyard Underground?

These podcasts share a similar audience with Vineyard Underground:

1. Inside Winemaking - the art and science of growing grapes and crafting wine
2. Sustainable Winegrowing
3. Beyond Organic Wine
4. The Wine Makers on Radio Misfits
5. SOMM TV wine & food

How many episodes of Vineyard Underground are there?

Vineyard Underground launched 4 years ago and published 103 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on Vineyard Underground?

Recent guests on Vineyard Underground include:

1. Thijs Verschuuren
2. Katie Gold
3. Dave Combs
4. Matthew Fidelibus
5. Rob Warren
6. Jaclyn Fiola
7. Dr. Terry Bates
8. Dr. Markus Keller

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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