Robert Stemmler wines are made exclusively with estate-grown grapes from The Donum Estate and Ferguson Block in Carneros and the Nugent Vineyard in the Russian River Valley of California’s famed Sonoma County.

Planted in 1989, The Donum Estate comprises 70 acres of vines divided into 15 blocks and additional sub-blocks on which grow a variety of Pinot Noir clones and selections, including “heirlooms” like Calera, Chalone, Hanzell, Martini, Roederer and Swan and Dijon clones such as 115, 667 and 777.

Ferguson Block is a venerable 20-acre parcel of vineyard consisting primarily of an old Martini selection planted in 1974 on St. George rootstock. We farm three sub-blocks, one of which consistently provides fruit for the small amount of vineyard-designated Pinot Noir produced each year. Donum and Ferguson Block lie half a mile apart on the first gently rolling hills that rise up from San Pablo Bay on the Sonoma side of Carneros.

Nugent Vineyards rests on relatively level ground in the heart of the Russian River Valley.  Planted in 1997, the 11-acre vineyard consists of 11 blocks planted to equal amounts of Dijon clones 115 and 667.