Asked: September 2, 20212021-09-02T18:18:34+00:00 2021-09-02T18:18:34+00:00In: Plant Physiology What type of plant hormone is GA 3? Stwins20 Expert What kind of plant hormone is GA 3 (gibberellic Acid 3)? gibberellic acidplant hormone You must login to add an answer. Username or email* Password* Remember Me! Forgot Password?