Member Organizations

The Horticulture Co-op is comprised of the membership of each of the following member organizations. To become a member of the Horticulture Co-op, membership must be attained in at least one of the member organizations.

Gateway Professional Horticulturist Association
GPHA
Greater St. Louis Flower Growers Association
GSLFGA
Landscape and Nursery Association of Greater St. Louis
LNAGSL
St. Louis Arborists Association
SLAA
  Advisory Organizations