Timothy grass is not called dog's tail grass in rural areas. Timothy grass is usually called cat's tail grass in rural areas, and there are some places called Timothy. Timothy grass and dog's tail grass are two completely different kinds of grass. Timothy grass is grass cattail grass, is also a kind of weed, we can easily come across in many fields, its appearance is similar to the dog tail grass, has a strong ability to reproduce, its leaves are more and grow quite tall. And dog's tail grass is one of our more common weeds, whether in the city or in the countryside, almost where there is soil you can see the dog's tail grass. It belongs to the grass family cattail grass genus, perennial sparse bush type herbaceous plants, plant height 80-110 centimeters, leaf blade flat and slender, and the end of the hard texture, more growth in the water's edge, like cold and wet environment, heat resistance, cold resistance,