The AHS mission is to educate and inspire people to become successful and environmentally responsible gardeners by advancing the art and science of horticulture. Provides gardeners with quality gardening and horticultural education with the help of an impressive network of experts. Offers gardening education for all levels of skill, sources of information on any garden subject imaginable, a community of gardeners eager to share their experiences, and great gardening events and activities.
The objective of this guild is to encourage professional contact, communication and co-operation between gardeners employed in private gardens and estates. Promotes specialist training in schools, colleges and the workplace, to provide the horticultural industry with skilled gardeners and garden managers. Based in the UK with members in European countries and the United States.
An umbrella organization covering local garden clubs throughout the US and Canada. Includes links to arboreta, gardens and GCA member clubs. Offers pamphlets, position papers, and scholarship information.