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SUSTAINABLE WINEMAKING

THE HEART OF SUSTAINABILITY: FROM THE VINEYARDS TO THE WINERY

Since our inception in 1974, Clos du Bois has been a recognized leader in developing, implementing and promoting sustainable agriculture and environmentally responsible business practices. Read on to learn about some of our initiatives and accomplishments related to sustainability.

AWARDS AND RECOGNITION

  • Active participant in Sonoma Green Business Program since 2001

  • Certified Green Business Level II since 2001Bay Area Green Business Program

  • 2002 IPM (integrated Pest Management) Innovator Award, recognizing leadership in finding less toxic approached to disease and insect control  —California Department of Pesticide Regulation

  • 2003 First grape growers to be certified as a “Fish Friendly Farmer” —The National Marine Fisheries, the California Dept. of Fish & Game, California Water Resources Control Board, and the Sotoyome Resource Conservation District

  • 2007 Environmental Stewardship Award, recognizing Outstanding Efforts and Leadership in the Fish Friendly Farming Program.  — U.S. Dept. of Commerce, National Marine Fisheries Service

  • Certified as Sustainable through the California Winegrowing Alliance since 2008

  • Fish Friendly Farming in Clos du Bois vineyard operations since 2003

INTEGRATED PEST MANAGEMENT

  • We produce and apply over 7,000 cubic yards of organic compost annually to increase soil health and fertility for use in the vineyard.
  • By planting cover crops, hedgerows and native borders, we develop environments which encourage beneficial predatory insect communities, reducing and in some cases eliminating pesticide use.
  • We utilize canopy management methods to prevent bunch rot, mildew, and insects, as well as to enhance fruit quality with the proper sun exposure.

HABITAT RESTORATION

  • We have actively converted existing vineyard land bordering the Russian River back to a dedicated riparian environment, where we have also planted (native) trees and shrubs for shade and to promote healthier fish habitats.
  • Clos du Bois is a founding member of the Fish Friendly Farming Organization.

WETLAND RESTORATION

  • We’ve engaged in a program of wetland restoration to create a healthy overwintering habitat for migratory waterfowl, songbirds and raptors. All our vineyards have Barn Owl nesting boxes installed to reduce populations of invertebrate species (pocket gophers).

WATER USAGE

  • Drip irrigation soil moisture and remote weather stations are used throughout out vineyards to significantly reduce water usage.
  • Waste water from our winery processes is recycled and rerouted to the vineyards for irrigation and frost control.

BUILDING HEALTHY SOIL

  • We organically convert grape pulp, skins and seeds left over from the winemaking process into more than 7,000 cubic yards of compost each year that we return to our vineyards, which equals 90% of all the solid waste we generate.

ENERGY EFFICIENCY

  • We’ve installed four acres of solar panels to generate 85% of our energy needs.
  • We’ve installed windows in our cellar to reduce the need for electric lighting.
  • Our barrel room is cooled with an ice bank that allows most of the energy usage to occur during the off-peak evening hours.

 

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