Proven Winners

Proven Winners is the leading brand of high quality flowering plants in North America, sold under the Proven Winners name. The goals of Proven Winners are to introduce the best, most unique, high performing plants, to produce them under the highest quality standards, and to market the plants innovatively. Proven Winners plants are unsurpassed in terms of flowering, growth habit, disease resistance, and garden performance. I (Kerry Ann Mendez) have the incredible opportunity to speak on the behalf of Proven Winners at events across the country.  Check out their informative web site for more details.

The Espoma Company

The Espoma Company has been the pioneer in natural gardening solutions. From their leading organic plant food, Plant-Tone and Holly-tone, to their new Espoma Organic Potting Mixes, they provide the most extensive selection of natural organic products that work in harmony with nature to grow beautiful lawns & gardens, preserve natural resources, and make a safer world for future generations. Perennially Yours has long used Espoma products with outstanding results. To learn more about Espoma products and to sign up for their free Espoma Organic Club e-newsletter filled with gardening ideas, advice and information, visit their web site at

American Horticultural Society

The American Horticultural Society is one of the oldest national gardening organizations in the country. Since 1922, they have provided America’s gardeners with the highest quality gardening and horticultural education possible. AHS provides gardening education for all levels of skill, sources of information on any garden subject imaginable, a community of gardeners eager to share their experiences, introductions to great gardens around the world, great gardening events and activities, and much more. AHS strives to connect gardeners with the resources and knowledge they need to grow a successful garden. Take a look at organizations, societies, and clubs in your area and connect with fellow gardeners! To learn how to become a member and take advantage of all they have to offer, visit their web site at

Gardener’s Supply Company

This organically-minded company is based in Burlington, Vermont. They offer a huge assortment of products at great prices for the garden ranging from organic fertilizers, tools, pest control, sheds, pots, plants and much more! You can purchase products through their mail order division or at their store in Burlington. In addition to offering superior products, Gardener’s Supply Company is passionate about improving the environment and community. Each year they donate 8% of their profits back to the community and national non-profit organizations that are working on gardening, sustainable agriculture, environmental and hunger-related causes.

The Massachusetts Horticultural Society. 

Founded in 1829, the Massachusetts Horticultural Society is dedicated to encouraging the science and practice of horticulture and developing the public’s enjoyment, appreciation, and understanding of plants and the environment.

Perennial Plant Association. 

Perennial Plant Association, headquartered in Hilliard, Ohio, is a trade association composed of growers, retailers, landscape designers and contractors, educators, and others that are professionally involved in the herbaceous perennial industry. The Perennial Plant Association connects professionals, provides education, and promotes perennial plants.

Master Gardeners  

(also known as Extension Master Gardener Programs) are volunteer programs to advise and educate the public on gardening and horticulture. In the US, groups are affiliated with a land-grant university and one of its cooperative extension service offices.  Typically, Master Gardeners receive extensive training and then provide information to the public via phone or email helplines, speaking at public events, writing articles for publications and the internet, and partnering with other community programs, gardens, and educational facilities.

Gardening Societies, Clubs and Organizations

Gardening Events by Region