General Information Websites

Great Pumpkin Commonwealth

The governing body for sanctioned weigh offs in North America.

BigPumpkins.com

The #1 social website on the web.

aggc.org

The source of stats on thousands of giant pumpkins.

The Pumpkin Patch

Club & Association Websites

New Hampshire
Giant Pumpkin Growers Association

Maine Pumpkin Growers Organization

New York State
Giant Pumpkin Growers Association

Ohio Valley Giant Pumpkin Growers

Team-Pumpkin.org

Indiana Pumpkin Growers Association

Vermont Giant Vegetable Growers

Giant Vegetable Growers of Ontario

Pacific Northwest Giant Pumpkin Growers

Utah Giant Pumpkin Growers

Ridgefield Pumpkin Weigh-off

Illinois Giant Pumpkin Growers

Fertilizer, Supplies, & Seeds

Wallace Organic Wonder!

GiantPumpkin.com

The #1 Source for Competition-Strain Seeds and Don Langevin's books, How-to-Grow World Class Giant Pumpkins

Howard Dill's Website

Holland's Land O'Giants

Neptune's Harvest

North American Kelp

Frerichs Farm

Bori Graphix

Greensmiths, Inc.

BioWorks, Inc.

Natural Industries

Reforestation Technologies

Central Scale Company

North American Kelp

Neptune's Harvest

Holland's Land O'Giants

Soil Testing Websites

Western Laboratories

UMASS Plant and Soil Sciences