In 1949 Flower was nominated a Deputy Lieutenant for the county of Cheshire and in 1961 vice lord-lieutenant. From 1946, he represented the county also as a Justice of the Peace, retiring from these posts in 1968.
Flower received appointments as Deputy Lieutenant for Cheshire in 1949 and vice lord-lieutenant in 1961. He also served as a Justice of the Peace for the county starting in 1946, stepping down from these roles in 1968.