Changes in stool color alone do not cause symptoms. The underlying cause of the change in stool color, texture, or form is responsible for any symptoms. Bowel movements are usually light to dark brown in color, and there is moderate variation among individuals with respect to stool color, quantity and form.
Plants in the Twilight Zone As the amount of light decreases, the size and complexity of plant life also decreases. So whereas there may be flowering plants growing in the entrance zone, the twilight zone is typically marked by mosses and ferns.
Spiderworts are hardy in USDA zones 4-9. They are able to grow in almost any amount of light, from full sun to full shade, but grow, look and bloom best when grown in dappled sun or light shade. In full sun, Spiderwort plants must be kept constantly moist. Tradscantia are adaptable to many types of soil as long as it is moist and well-drained,