Blue Thumb Organization
www.bluethumb.org/
The Blue Thumb program was started by the Rice Creek Watershed District as an outreach program to meet water quality goals identified in their strategic plan and to help their cities meet their federal Clean Water Act mandates. Blue Thumb reaches beyond the Rice Creek Watershed District boundaries into the Twin Cities metro area and greater Minnesota.

BNI
www.bni.com/
The largest business networking organization in the world. The mission of BNI is to help members increase their business through a structured, positive, and professional word-of-mouth program that enables them to develop long-term, meaningful relationships with quality business professionals.

Index to Yard and Garden Briefs
http://www.extension.umn.edu/projects/yardandgarden/ygbriefs/
The above link provides access to the Yard and Garden Briefs supplied by the University of Minnesota Extension Service.

Interlocking Concrete Pavement Institute (ICPI)
http://www.icpi.org/ 
The Interlocking Concrete Pavement Institute (ICPI) is the North American trade association representing the interlocking concrete paving industry.  ICPI is considered by peer associations around the world as the leader in development and dissemination of technical information for design professionals and contractors.  ICPI engages in a broad range of technical, marketing, educational, government relations and communications activities.

Minnesota Landscape Arboretum
http://www.arboretum.umn.edu/
The Minnesota Landscape Arboretum features more than 1,000 acres of magnificent gardens, model landscapes, and natural areas-from woodlands and wetlands to prairie-with extensive collections of northern-hardy plants. Tour the Arboretum on 12.5 miles of garden paths and hiking trails. Walk the close gardens and bike, walk or drive Three-Mile Drive to see more gardens and collections.

Minnesota Nursery and Landscape Association (MNLA)
http://www.mnla.biz/
The Minnesota Nursery and Landscape Association (MNLA) is the region's largest green industry trade association with more than 1,500 member businesses including garden centers; landscape contractors and designers; tree and flower growers; irrigation contractors; and lawn, tree, and garden services. The mission of the MNLA is to educate and help these companies operate their businesses more successfully.