After graduating, Groening became a member of the Malaspina Printmakers Society of Vancouver and exhibited her work at the Dundarave Print workshop.
Groening worked as a printmaking instructor at Open Studio in Toronto, Ontario later becoming the Director of the Lithography section in 1986.
During her time in Toronto Groening worked alongside Janet Cardiff, Harold Klunder, Don Holman, and Otis Tamasausken.
Further along in her career Groening worked with artists including Molly Bobak, Carel Moiseiwitsch, Toni Onley, Gathie Falk, Takao Tanabe, Gordon Smith, Doug Biden, Joe Average, and Jack Shadbolt.
After the closure of her printmaking studio in 1999, Groening moved to San Francisco, California in the United States of America,[2] where the artist joined the Achenbach Graphic Arts Council Board within the Fine Arts Museums of San Francisco and continued her printmaking practices.