Professional Associations

American Society for Horticultural Science (ASHS)

ASHS is a cornerstone of research and education in horticulture and an agent for active promotion of horticultural science.

Internet: http://www.ashs.org/

American Society of Agronomy

Dedicated to the development of agriculture enabled by science, in harmony with environmental and human values.

Internet: https://www.agronomy.org/

Association of Horticulture Professionals

The Association of Horticulture Professionals is an informal organization created to represent professionals in horticulture including landscape design.

Internet: http://allhortpros.com/

Others

• Botanical Society of America 
  www.botany.org/