Resources

If you need additional information about greenhouses, please contact any of the
following organizations:

• National Greenhouse Manufacturers Association
  Industry trade organization for the manufacturers and suppliers of greenhouses and greenhouse components.
  www.ngma.com
  
• American Hort
  Horticulture industry trade association representing breeders, greenhouse and nursery growers, retailers, distributors, interior and exterior landscapers, florists, students, educators, researchers, and manufacturers.
  www.americanhort.org