Abstract: A height adjustable golf tee assembly, and a method of use thereof, is disclosed. The assembly comprises a stabilization member, and a tee member. The stabilization member is longitudinally extending, and has a ground-penetrating tip having an upper opening and configured to penetrate the ground. A cavity extends downwardly from the upper end towards the ground-penetrating tip. The stabilization member comprises a ground abutment member spaced from the ground-penetrating tip. In another embodiment, the stabilization member comprises an elongate portion having a cavity that extends downwardly from an opening in the upper end, and an elongate threaded inner wall surrounds the cavity. The tee member comprises a shaft having a threaded outer wall. The threaded inner wall and the threaded outer wall have mating threads, and the tee member is rotatably receivable in the cavity.