We have some sort of light green lawn grass that grows faster than the rest, what is it?
Actually, that “grass” you are seeing isn’t a grass at all, it’s a “sedge.” Yellow Nutsedge is a common weed in lawns and often arrives with topsoil that has been excavated from bottom ground (near creeks and streams) since this sedge likes moist soil conditions. If you pull one of these plants out of the ground, and roll it between your fingers, you’ll notice the base of the stem is triangular instead of being round. Its other common name “nutgrass” refers to the small nut-like bulbs that form on the tips of its root system, and the plant spreads by these nutlets and by seed. Yellow nutsedge can be controlled by hand weeding or by using a lawn herbicide specifically labeled for yellow nutsedge. It is best removed before it becomes well established, since it can be a persistent weed.
