Vineyard establishment requires careful planning and implementation. This guide addresses factors that landowners need to consider before planting new vineyards in Idaho, Oregon, and Washington. These initial decisions regarding land suitability and purchase, vineyard establishment, and marketing are key to the future success of a business. While this guide is primarily focused on the vineyard and grape production aspects of the industry, essential information regarding winery establishment is also included where issues for the two overlap. This publication provides online links throughout the text to reputable information from state and national Extension programs and other local, regional, and federal organizations. If you are reading this guide on electronic media, accessing these links will take you directly to the corresponding website. If you are using this manual in hard copy form, please see the appendix for a numeric listing (corresponding to the endnotes) of website addresses that can be consulted later.