Vineyard Underground
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?
- Indexed episodes, last 90 days
- 8
- Latest publication
- Sep 22, 2026
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- Checking…
- Earliest in this view
- Jul 7, 2026
Latest episodes
108: Bonus Episode: A Mile‑High Move — The Colorado Chapter (opens the original)
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A big life change is brewing as Fritz shares a personal update from his new home base in Denver, Colorado! After nearly two decades in Houston, he and his family have moved to be closer to the mountains, cooler weather, and an outdoor lifestyle, while still staying near a major airport so he can keep serving growers across the Americas. Nothing about the support, education, or consulting listeners receive is changing; if anything, Fritz feels more energized and inspired to bring fresh ideas to t
107: Is It Time to Pull the Block - Assessing Decline in Older Vines with Dr Kendra Baumgartner (opens the original)
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Fritz welcomes back Dr. Kendra Baumgartner, a longtime friend and one of his very first podcast guests, to tackle a question every grower eventually faces: when does an aging vineyard block cross from struggling to done? Kendra walks through the trunk diseases, root pathogens, and viruses that build up in vines over decades, explaining which problems a vine can carry for years and which ones signal it's time to act. Fritz and Kendra cover how to sample and diagnose these issues in the field, whe
106: 3 Sustainability Practices Every Vineyard Can Implement with Shiraz Mottiar (opens the original)
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In this episode, Fritz talks with Shiraz Mottiar, Team Principal and GM at Malivoir Wine Company in Ontario, Canada, about three sustainability practices any vineyard can put into place, whether or not they are pursuing certification. Shiraz shares the story of Malivoir's growth on the Beamsville Bench and his long involvement with Sustainable Winegrowing Ontario and research at Brock University's Cool Climate Enology and Viticulture Institute. Fritz and Shiraz compare certified sustainable vs o
105: Bonus Episode: Triggs International Premium Vinifera Lecture Series Takeaways (opens the original)
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In this bonus episode, Fritz shares key lessons from his week in Ontario as the invited speaker for the 13th Triggs International Premium Vinifera Lecture Series, hosted by Brock University's Cool Climate Enology and Viticulture Institute. Speaking directly to cool-climate vineyard owners and managers, Fritz explains why nutrient management is a pressing topic for Canadian growers, particularly in non-irrigated vineyards that rely on ground-applied fertilizers. He walks through current practices
104: Ask Fritz: Late Season Rots, Juice Analysis, Ripping Out Vines and More! (opens the original)
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In this Q&A episode of Vineyard Underground, Fritz answers real-world questions from growers across the U.S., covering late-season disease management, water and nutrient strategy, and vine removal decisions. Fritz talks through post-harvest care for young, non-bearing vines, how to handle irrigation and foliar disease pressure in different regions, and clears up confusion around growing degree days. He also explains how to work with phosphorous acid fungicides and spray tank pH, why and how to r
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