Hello Gardeners, I’m Amanda McNulty with Clemson Extension and Making It Grow . Our state flower, Yellow Jessamine, uses its slender but strong twining black stems to catch hold of stems and branches as it climbs to the tops of pines and hardwoods before cascading downward with masses of golden yellow flowers. Without aerial roots or other attaching structures it can’t adhere to masonry, so in gardens it needs a wire fence or trellis to wind its way through for support. Unlike more shrubby vines