| Yerba Buena Chapter, California Native Plant Society San Francisco chapter of the group with habitat restoration information, news, calendar, events, gardening, links, and photos. | |
| Wyoming Native Plant Society Encourages the appreciation and conservation of the native flora and plant communities of Wyoming through education, research, and communication. Information about membership, activities, and plant identification references. | |
| Woodside-Atherton Garden Club Aims to provide educational and community service projects in the areas of horticulture, beautification, and conservation. Information about the member-maintained native plant garden and annual plant sale. | |
| Wisconsin Master Gardener Program There are 23 local chapters affiliated with the Wisconsin Master Gardeners Association. Most are in individual counties, but a few are regional organizations. Each group is involved in many different projects in the areas of youth education, community edu | |
| Wilton Garden Club Club overview, awards, history plus information on programs, annual plant sale and membership. | |
| Williamson County Master Gardeners Tennessee organization presents information about its programs, classes, and junior gardening camp, a newsletter, and its history. | |
| Wildflower Association of Michigan Information about the wildflower conference, educational grant programs, and link directory. | |
| Wild Flower Society Society for amateur botanists/wild flower lovers in the UK. | |
| Westmorland Horticultural Society Society in Moncton, New Brunswick presents information on membership, projects, and events, a newsletter, and a photo gallery. | |
| West Wollongong Garden Club Information about this club in New South Wales, location of meetings and some of the area's gardening highlights. | |
| West Virginia Master Gardeners The Master Gardener program and training are conducted by the West Virginia University Extension Service through the county extension offices. The training provides gardeners with the opportunity to improve their horticultural knowledge and skills and the | |
| West Virginia Garden Club, Inc. Member of National Garden Clubs presents its activities and organizational goals. | |
| Waynesville Garden Club - Ohio Information for members on published plant reports, photographs, flower shows, youth projects, and schedule of events. | |
| Washington Native Plant Society The WNPS is an organization dedicated to the conservation of the native plants of Washington State. | |
| Washington (Western) Master Gardener Program This is where the original Master Gardener program began nearly 30 years ago as an organization of university-trained volunteers who serve as educators for the home gardening community. | |
| Washington (Eastern) Master Gardeners MG program information and contacts for Spokane area. | |
| Virginia Native Plant Society Purpose is to further appreciation and conservation of Virginia's native plants and habitats. | |
| Virginia Master Gardener Program Offers a mission statement, meeting schedules and minutes, program details, and message forum. | |
| Virginia (Virginia Beach) Master Gardeners Site contains membership requirements and links to projects. | |
| Virginia (Lynchburg) Masters Gardeners Working in all areas of environmental horticulture, including vegetables, ornamentals, trees, turf and landscaping. | |