Importance of Clean Plants and Quarantines
Regardless of whether you are a commercial grape producer or a backyard enthusiast, Washington State has strict quarantines regarding where your grapes come from. DO NOT bring back grape plants from your trips abroad (whether domestic or international). Doing so may result in very strict fines, but more importantly, may bring in diseases and pests that could severely hurt the commercial grape industry. ONLY buy stock from reputable nurseries. All plant materials originating outside of WA (whether certified or not) need to be inspected by the WSDA upon arrival; notify the nursery that they need to include an origination certificate (more information below) with the shipment. Just because an out-of-state nursery will ship to you, does not mean it is legal to do so. More information on “planting clean” and WA quarantines are found here:
- Certified Nurseries – Planting “Clean” is key to successful grape production in Washington State and beyond.
- WA Plant Quarantines – WSDA Information on Plant Quarantines for Washington
- Clean Plant Center Northwest – Washington State University
Vineyard Establishment
Getting Started – Growing Grapes
- Considerations and Resources for Vineyard Establishment in the Pacific Northwest – #PNW634
- Economics of Grape Production – WSU Webpage
- WESTERN WA – Growing Wine Grapes in Maritime Western Washington – WSU #EM086e
- ORGANIC – See also “Organic Vineyards” Webpage
Vineyard Design: Trellising and Vine Training
- Training and Trellising Grapes – WSU #EB0637
- Trellis Selection and Canopy Management (PDF) – Pages 16-21 in: Wine Grape Varieties in California. University of California Agricultural and Natural Resources Publication
- Vineyard Design (row orientation, planting density, etc) – eXtension.org / eViticulture.org Webpage
Washington State: Geology and Climate
- AgWeatherNet – The source for Washington State weather data.
- Geologic Map of Washington (ZIP) – A great map that describes the geological features of the state. (link will open a .zip file from the Washington State DNR).
- Western Regional Climate Center – Historical information regarding growing degree days, temperature, precipitation, wind speed and directions for a number of locations in the Western United States.
- Normal Climate Maps for United States – Use this site to get frost/freeze data for the past 30 years, precipitation data, and more through the NOAA.
- 2012 USDA Plant Hardiness Zone Maps – Determine the 30-year average absolute minimum temperatures for a particular area. Is your site appropriate for winter-tender vines?
Soils
- Soil Health in Washington Vineyards – WSU #FS378e
- Web Soil Survey: Natural Resources Conservation Services (NRCS) has a web soil survey with interactive and searchable maps.
- Understanding Soil Surveys – NRCS webpage on the ins-and-outs of reading and understanding soil survey maps.
- Soil Surveys by County: Washington – NRCS webpage with archived information on county soil surveys.
- Soil Testing and Remediation – See “Soils and Nutrition” for more information
Variety and Rootstock Selection
Variety selection is dependent on what is best suited for your site and what you can market/sell. Consult potential fruit customers and winemakers before heavily investing in large plantings.
Plant Sources
The Clean Plant Center Northwest maintains a list of Washington and Oregon Nurseries who sell WSDA and ODA certified vines. This list is not exhaustive, but is a good starting place to determine where to source plant material. Please see the opening statement at the top of this page regarding WA quarantines and regulations relating to the import of out-of-state grapevine materials.
- Clean Plant Center Northwest– Check out the current availability of different varieties in the Washington State Grape Foundation Block. Nurseries have top priority in purchasing plant material from the CPCNW, but in many cases, they are able to accommodate smaller private orders if sufficient plant material is available.
- National Grape Registry – A great database out of California of different grape varieties and clones available in the USA. This is not a source of plant material, but may help you locate a nursery that cells a certified version of the variety or clone you are looking for.
- Grape Genetic Testing and Identification – A service provided by the Foundation Plant Service out of UC-Davis that can determine the variety/cultivar of an unknown grapevine. Clonal identification is currently not available.
Grape (Scion) Varieties
- Vitis International Variety Catalog – A searchable database of different varieties, and their various synonyms.
- WESTERN WA – Growing Winegrapes in Maritime Western Washington – WSU #EM068e
- Northern Grapes Project – A joint venture designed to aid in viticulture production of cold-hardy (winter low temperatures) varieties.
Rootstock Information
- Grapevine Rootstocks: Origins and Perspectives – an Acta Horticulturae review
- Rootstocks as a Management Tool (PDF) – Report by Wine Australia
- Rootstock Selection (PDF) – Pages 12-15 in: Wine Grape Varieties in California. University of California Agricultural and Natural Resources Publication
Vineyard Management
Eco-Agriculture and Sustainability
- EcoVineyards Program (Australia)
- EcoVineyards Knowledge Hub – Factsheets, Case Studies, and more!
- EcoVineyards Podcasts and Webinars
- Advancing EcoAg – Regenerative Farming
- Washington: Vineyard Beauty with Benefits Project
- Sustainability Certification Programs
- Sustainable WA
- LIVE – Low Input Viticulture and Enology
- Salmon Safe
- LODI Rules
Organic Vineyard Management
Information relating to organic vineyard management has been integrated into many of our general grape production information resources.
Organic Farming Transition
- Organic Transition: A Business Planner for Farmers, Ranchers and Food Entrepreneurs – Western SARE Document
- Transitioning to Organic Production (Farming Practices Guide) – Western SARE Document
Organic Certification
- Washington State Department of Agriculture Organic Certification Program – Provides information on the procedures of becoming certified organic, and is a certifying agency for growers.
- Washington Tilth Association – A statewide nonprofit organization dedicated to provide support for and promotion of biologically sound and socially equitable agriculture.
- USDA National Organic Program – The NOP develops and administers national production, handling, and labeling standards for organic agricultural products.
- Oregon Tilth Organic Certification – Provides information on the procedures of becoming certified organic, and is a certifying agency for growers.
Canopy Management
- The Role of Canopy Management in Vine Balance – OSU #EM9071
- Canopy Management for Pacific Northwest Vineyards – WSU #EB2018e
Crop Management
- Vineyard Yield Estimation – WSU #EM086e
- ESPAÑOL-Estimación del Rendimiento del Viñedo – WSU #EM086ES
- Understanding Vine Balance (.pdf) – OSU #EM9068
Vineyard Floor Management
- Soil Health in Washington Vineyards – WSU #FS378e
- Cover Crops as a Floor Management Strategy for Pacific Northwest Vineyards – WSU #EB2010
- Washington Vineyards “Beauty with Benefits” Project – WSU Website
- Weed Management – WSU Webpage
Pruning
- WESTERN WA – Cane Pruning – OSU Video
- Spur Pruning – OSU Video
Variety Changing / Grafting-Over
- Field Grafting Grapevines in Washington State – WSU #EM121e
- Chip Bud Grafting in Washington State Vineyards – WSU #EB2023
- Illustrated Guide to Field Grafting Grapevines – Northwest Berry & Grape Network (PNW Universities and USDA)
- Grafting Grape Vines – eViticulture Article
- ESPAÑOL – Injerto de las Plantas de Uva – eViticulture Article
On-Farm Trials
- On-Farm Vineyard Trials: A Grower’s Guide – WSU #EM098e
Other Management Considerations
- Irrigation and Water Management
- Pest Management (Diseases, Insects, Weeds, Nematodes)
- Disorders and Other Vine Issues
- Pesticide Application and Licensing
Need a Consultant?
Washington Winegrowers Association, an industry organization in Washington, has a list of private consultants that can help you with the details of vineyard establishment.

