Her collegiate heading coaching career included position at Temple Junior College, Delta State, and Texas Christian University.
Garmon had interest in basketball as early as the age of 5 when "her cousin Gene Morris held her up high enough to put a ball through a hoop".
[1] She initially enrolled in Temple Junior College, then went on to the University of Mary Hardin–Baylor, where she played basketball for the school as well as an independent team.
[1] Garmon then returned to Temple Junior College in 1963, where she persuaded the athletic director and the school president to let her start a women's basketball program.
They competed in one national invitational tournament and defeated UCLA, which led her to say with a smile, “(That) was a big mistake because then they banned all junior colleges from it after that,”.
[3] In March 2018, Garmon was invited to the second round women's NIT game held at TCU, where she was honored at halftime for winning the Jostens-Berenson Lifetime Achievement Award.