95% of Napa Valley's vintners are family-owned. Janet and John Trefethen oversee Trefethen Family Vineyards, an historic property acquired by John's parents in 1968 and launched as the family's namesake winery in 1973. Daughter Hailey has worked on renovation of the winery's historic 1886 building. Bill Phelps & son Will, Joseph Phelps Vineyards (est. 1973), discuss the legacy of Founder Joseph Phelps, the decision to become 100% estate grown, and its signature wines including Insignia.

This show is broadcast live on Wednesday's at 2PM ET on W4CY Radio – (www.w4cy.com) part of Talk 4 Radio (http://www.talk4radio.com/) on the Talk 4 Media Network (http://www.talk4media.com/).