He bought three quarter sections of land in the Kandahar district in 1947 and commenced farming, becoming a pedigreed seed grower 10 years later. Over the years his farm grew to 17 quarters.

He soon became regarded as an authority on seed production, new crop varieties, cleaning grain and weed control. His example inspired other farmers to become registered seed growers. He reached a wider audience through a column on seed production in the newspaper, Grainews.

Henry entered pedigreed seed competitions at the Toronto Royal Winter Fair and in 1973 won the world championship for pedigreed seed. Active in the Saskatchewan Seed Growers Association, he was elected president for 1980-81. He served as president of the Canadian Seed Growers Association for 1989-91.

He received the Outstanding Service Award from Saskatchewan Seed Growers in 1978 and the coveted Robertson Associate designation from the Canadian Seed Growers Association in 1982.

Henry served as farmer member of the Saskatchewan Weed Action Committee and SSGA representative on the Saskatchewan Advisory Committee on Grain Crops. He was a member of the cereal and oilseed committee for SeCan.

Deeply involved in community work, Henry served as president of the Wynyard Chamber of Commerce, chairman of the Wynyard Hospital Board and councillor of the RM of Big Quill . He was the driving force behind financing and construction of a 20-bed hospital in Wynyard.

Henry died in March, 1993.