Following years of teaching at collegiates in Regina and Saskatoon , Larry gradually worked his way back to his family farm at Rosthern. He and his wife, Doreen, established a successful pedigreed seed growing and processing company, Spruce Grove Seeds Ltd., and led the way in promoting new seed varieties and crops. Saskatchewan farmers benefited from his pioneering work with dry beans and sunola. The Canadian Seed Growers Association recognized his work in this area, presenting him in 2003 with a posthumous Robertson Associate Award, the highest honour bestowed by the organization.

As founding chairman of the Seager Wheeler Farm Historical Society he led the organization in developing the Wheeler farmstead at Rosthern into an agricultural demonstration farm and tourist venue. He initiated talks with Parks Canada which led to the farm being named a National Historic Site in 1994. He farmed the land and donated the proceeds to the operation and restoration of the site. He was able to combine funding from corporate, provincial and federal governments with local support to establish and maintain the historic site. He also organized the Seager Wheeler Farm's annual "Seeding Trends," a direct seeding field day. Larry was a member of the committee that initiated the Seager Wheeler Pedigreed Seed Show held annually during Crop Production Week in Saskatoon .

Larry worked closely with the University of Saskatchewan Crop Development Centre in developing solid seeding agronomy for edible beans in central Saskatchewan . In recognition of this he receive the "Pulse Promoter of the Year," award from the Saskatchewan Pulse Growers Association.

In 2000 Larry was invited to speak on "GMOs - How They Fit into a Direct Seeding System," by the Victorian Farmers Federation at its annual meeting in Yarrawonga , Australia . In addition to being a sought-after speaker for agricultural conferences, Larry was a prolific writer whose material appeared in various farm periodicals. Larry and Doreen hosted many international groups on learning tours on their farm, including groups from Australia , Japan , Great Britain and Taiwan .

Active in the community, Larry coached wrestling, football and hockey, was a committed church worker and volunteered his time and equipment farming the Mennonite Youth Farm land at Rosthern, The local Canadian Food Grains Bank project also benefited from his work and seed donations.

He died April 5, 2003 .