Exploring Terroir and Opportunities in Vineyard Management

Matt Dees is the winemaker at JONATA, The Hilt, and The Paring, wineries which are located in California's Santa Barbara County.

Matt recalls studying plant and soil science, and then his first job at a winery, at Shelburne Vineyard in Vermont. He then describes a chance encounter with a bottle of Staglin Family Cabernet Sauvignon, which prompted a phone call to the Staglin family and a trip to California to visit. Soon enough, Matt was working at Staglin, alternating between vintages there and in New Zealand at Craggy Range Winery.

Matt discusses various early influences on his winemaking, including Andy Erickson, Doug Wiser, Adrian Baker, and Michel Rolland. He touches on learning to blend for texture and structure, with an approach to blending for the mid-palate. Matt also notes the handling of press wines, and when blending decisions are made. He talks about avoiding blending for aromatics.

Matt contrasts the harvest conditions in New Zealand and in the Napa Valley in the early 2000s, as well as the resulting wines. He further talks about how some of the elements of each can be found in the wines of Santa Barbara County, and about his own transition to making wines there at JONATA. He emphasizes the diurnal shift in Ballard Canyon, the difference between the daytime and nighttime temperatures in the vineyard.

Matt speaks of Santa Barbara County - and specifically Ballard Canyon - as a young region, noting the wide range of grape varieties that have been planted at JONATA as they try to figure out what works well at the site. Matt also addresses the ageing curve of the JONATA wines. He distinguishes between ageing as surviving and ageing as evolving.

Matt addresses the fundamentals of the wines that he is responsible for, including harvesting and winemaking decisions. He details his approach to picking Sauvignon Blanc at different ripeness levels for the same eventual wine. He talks about a purity of fruit as an overrated concept, and explains his approach to Cabernet Franc. He shares the nuances behind picking decisions for Cabernet Franc, Syrah, and Sangiovese. He touches on the peculiarities of Sangiovese during fermentation and maturation. Matt also addresses what is necessary for a successful Merlot. He talks about Viognier, and whether or not he blends some into his Syrah. 

In terms of vineyard decisions, Matt discusses own rooted Cabernet Franc and Syrah, and what possibilities own rooted vines present. He talks about trial blocks of Assyrtiko, Picolit, Furmint, Xinomavro, and possibly Nerello Mascalese, as he searches for grape varieties that may do well in drought conditions. Building on that discussion, Matt touches on the characteristics of Xinomavro and Assyrtiko as wines from Ballard Canyon.

After the owners of JONATA purchased further properties, Matt was presented with the opportunity to make regular trips to Burgundy, and to produce Chardonnay and Pinot Noir for The Hilt. The Hilt is centered around the vineyards of Radian and Bentrock in the Southwest corner of the Sta. Rita Hills appellation, in California. Matt talks about that area and those vineyards specifically; discussing the exposition, soil type, and peculiarities of the sites. He talks about the wines from Radian and Bentrock, which include Chardonnay, Pinot Noir, Riesling, and Syrah. He details the winemaking protocols for both the Pinot Noir and the Chardonnay, and how his approach to both has changed over time. He talks about what may happen next at the property. He shares as well a frank discussion of drinking windows for Sta. Rita Hills wines.

This episode also features commentary from:

Andy Erickson, who co-owns Favia Wines and consults for a number of other wineries in California

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