Wine of the Day, No. 321

Willis Mercer moved west and settled in the new town of Prosser in 1886, three years before Washington became a state. The family succeeded at shepherding and then brought in cattle and planted wheat. Irrigation was introduced to Mercer

Ranches in 1968, and in 1972, the first grapes were planted, though the family didn't start making wine until 2005, the…