Nutsedge isn't a plant most homeowners want to see sprouting in their yard. Here are some disadvantages of nutsedge that will have you grabbing the herbicide:  ✗ Nutsedge reproduces at an alarming rate. ✗ Its rapid growth can ruin your lawn's aesthetic a few days after mowing. ✗ Nutsedge can choke out healthy grass and overrun your lawn. ✗ The sedge can invade your flower bed and vegetable garden. ✗ Its numerous tubers are a headache to control. ✗ Nutsedge competes with your turf for nutrients, water, and space.