Dietary fiber or roughage is the indigestible portion of food derived from plants. It has two main components: 1  Soluble fiber, which dissolves in water, is readily fermented in the colon into gases and physiologically active byproducts, and can be prebiotic and viscous.
Usage. If the willow tree is small, apply the herbicide as a foliage spray covering the willow's entire foliage until the chemical begins to drip off the leaves. For larger willow trees, cut the upper and lower branches off with a chainsaw and cut the trunk as close to the ground as possible.
Well, the willow tree might be the answer. I decided to do a bit of research on these trees. The Internet seems a bit conflicting on exactly what USDA plant hardiness zones are suitable for weeping willows. Some sources seem to indicate the trees can live in 6A-9A and also 6-8. I have also seen 2A-9A (that is a a huge difference), and still others indicate 4-9. The label on the trees says 5-9.