Someone mowing a lawn with dandelions in it - KateV28/Shutterstock For homeowners who work hard to maintain a lush, green lawn, there are few things more frustrating than finding dandelions, crabgrass ...

Continue mowing while grass is growing, cutting only one-third of its height each time. For cool-season grass, mow until growth stops, ending at 3–4 inches tall. Raise mower height for warm-season ...