Organizations

American Conifer Society
Association for the development, conservation, and propagation of conifers, with an emphasis on those that are dwarf or unusual.

American Horticultural Society
AHS is one of the oldest national gardening organizations in the country. Get connected “to great gardens around the world, gardening education for all levels of skill, sources of information on any garden subject imaginable, a community of gardeners eager to share their experiences, other great gardening events and activities, and much, much more.”

AmericanHort
On January 1, 2014, AmericanHort was born by the consolidation of the American Nursery & Landscape Association and OFA—The Association of Horticultural Professionals. AmericanHort represents the horticulture industry, including breeders, greenhouse and nursery growers, retailers, distributors, interior and exterior landscapers, florists, students, educators, researchers, manufacturers, and all of those who are part of the industry market chain.

American Rhododendron Society
A non-profit organization whose purpose is to encourage interest in and to disseminate information about the genus Rhododendron.

American Rhododendron Society Massachusetts Chapter
Your Portal to Rhododendrons in New England

Association for Garden Communicators
The Association for Garden Communicators, formerly the Garden Writers Association, provides leadership and opportunities for education, recognition, career development and a forum for diverse interactions for professionals in the field of gardening communications.

Heritage Museums and Gardens
Heritage Museums and Gardens, formerly the Heritage Plantation of Sandwich, is a 100 acre public garden, with a nationally significant collection of rhododendrons hybridized by Charles Dexter, over 1,000 varieties of daylilies and extensive hosta collection. The public garden is complemented by three gallery buildings containing a world-class collection of American automobiles, American folk art and a working 1919 carousel and rare carousel figures.

Massachusetts Arborists Association
The Massachusetts Arborists Association (MAA) is a professional trade organization that serves the commercial arboriculture industry. The MAA advances the goals of its tree service professional members through tree care education, research support, arborist certification and promotion of the value of arboriculture to the public. MAA is proud to be one of the oldest arboriculture associations in the nation, with a membership of more than 650 of Massachusetts’ leading tree service professionals.

Massachusetts Association of Landscape Professionals
The Massachusetts Association of Landscape Professionals (MLP) is a trade association that represents the leading landscape professionals in Massachusetts. MLP elevates the professional standards and business success of its members through education, certification, advocacy, and networking. MLP improves the business of its members through communication, certification, education and information.

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.

Massachusetts Master Gardener Association
Master Gardeners, experienced and trained volunteers, provide horticultural information and education resources to the gardening public, offer technical support for horticulture projects and contribute outreach programs for community events. The Massachusetts Master Gardener Association have volunteer projects throughout the Eastern half of the state and have partnerships with numerous other groups including: Massachusetts Horticultural Society, Tower Hill Botanic Garden. New England Wild Flower Society, and Garden Club Federation of Massachusetts, Inc.

Massachusetts Nursery & Landscape Association
A volunteer, nonprofit organization whose members are businesses and individuals involved in the production, sale, and handling of nursery stock in Massachusetts.

National Gardening Association
The National Gardening Association (NGA) promotes gardening by helping home gardeners succeed, growing in health, knowledge, environmental awareness, and enthusiasm. In the numerous ways NGA reaches gardeners, we help make home and community gardens greener and more productive. From vegetables, herbs, fruits, trees, lawns, flowers, and houseplants, we provide people with the information they need to get started in the world of gardening and grow and maintain thriving, sustainable, and environmentally responsible food gardens and landscapes.

New England Nursery Association
The New England Nursery Association (NENA) is dedicated to providing nursery professionals with the most current and highest quality information. NENA works to offer and expand an array of informational services and facilitate conversations that ensure an up-to-date understanding of consumer needs, market demands and emerging trends – all essential factors in ensuring profitability for member businesses and for building the New England green industry.

New England Wild Flower Society
Recognized as one of the nation’s leading plant conservation organizations.

Tower Hill Botanic Garden
Tower Hill Botanic Garden features a year-round display of the finest plants for cultivation in New England. Carefully planned gardens and collections of ornamental, edible and native plants, plus trails that enhance the natural features of this beautiful 132-acre property and a robust program and event schedule make Tower Hill a year-round destination.

UMass Extension Landscape Message
The Landscape Message allows landscapers, arborists, turf managers, nursery growers, garden designers and other practitioners to be in touch with local trends and challenges. The following information is commonly available for turf and landscape plant materials: Weather and general conditions reports; insect activity and population development; disease occurrences and potential disease problems; pest management strategies, including Integrated Pest Management, and other important information.