A plant support structure is provided which is ideally suited for use with tomato plants. The structure includes a vertically disposed post with the lower end thereof being driven into the ground. A plurality of vertically spaced-apart support ring assemblies are secured to the post and which may be vertically adjusted with respect thereto. Each of the support ring assemblies includes a first ring member, a second ring member and a third ring member with elongated rods interconnecting the same.
