# 081: Transitioning from Grape Grower to Winemaker with Jim Duane – Part 2 Page: https://stenobird.com/podcast/vineyard-underground-6280933/081-transitioning-from-grape-grower-to-winemaker-with-jim-duane-part-2 Text version: https://stenobird.com/podcast/vineyard-underground-6280933/081-transitioning-from-grape-grower-to-winemaker-with-jim-duane-part-2.md Podcast: [Vineyard Underground](https://stenobird.com/podcast/vineyard-underground-6280933) Published: 2025-09-30T08:00:00+00:00 Episode link: https://f364ccd0-b8ab-4504-aea4-3e21b899bc22.libsyn.com/081-transitioning-from-grape-grower-to-winemaker-with-jim-duane-part-2 Audio file: https://traffic.libsyn.com/secure/f364ccd0-b8ab-4504-aea4-3e21b899bc22/VU_Ep081_Master.mp3?dest-id=3650511 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/vineyard-underground-6280933/episodes/081-transitioning-from-grape-grower-to-winemaker-with-jim-duane-part-2 Duration seconds: 2589 ## Resource In this episode of Vineyard Underground, Fritz continues his conversation with winemaker and Inside Winemaking podcast host Jim Duane on what it takes for grape growers to successfully step into winemaking. Following part one, which covered equipment, compliance, and basic chemistry, part two dives deeper into the realities of balancing vineyard management with winery responsibilities. Fritz and Jim explore how harvest decisions shift when you're making wine from your own fruit, weighing risks like weather and pests against the pursuit of higher quality. Jim shares how winemakers must rethink priorities, and they also break down which lab analyses should be done in-house versus outsourced. The discussion covers the intense workload during harvest, how to plan labor needs, and the value of building a team to avoid burnout. Jim stresses the importance of advance planning to manage the overlapping demands of the vineyard and the winery. He also highlights common mistakes growers face when starting out, including mismanaging SO2 additions, misinterpreting acidity, and relying on incomplete fermentation data. The episode closes with practical advice and resources for aspiring winemakers, from small-scale home fermentations to structured courses and workshops. Fritz and Jim encourage growers to start experimenting, make manageable mistakes, and seek mentorship to build both confidence and competence before fully scaling their operations. In this episode, you will hear: How harvest decisions shift when growers begin making their own wine Why budgeting for laboratory analyses is non-negotiable in commercial winemaking Common mistakes with SO2, acidity adjustments, and fermentation management The importance of advance planning to balance vineyard and winery demands Practical re… ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/vineyard-underground-6280933/episodes/081-transitioning-from-grape-grower-to-winemaker-with-jim-duane-part-2/transcription-requests` β€” Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/vineyard-underground-6280933/081-transitioning-from-grape-grower-to-winemaker-with-jim-duane-part-2.md` β€” Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.