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Sometimes, pulling nutgrass can cause it to spread. If you do not discard the plant and rhizomes, the nutlets attached to the roots may each sprout. However, if you pull nutgrass repeatedly over the course of several weeks and discard the plant each time, it will weaken the plant significantly, eventually leading to its disappearance.

Mowing at least once a week during the growing season is a good general rule. However, every lawn is different, and factors like frequent rain and fertilizer use can cause grass to grow faster, potentially requiring mowing as often as every four days. When you mow, always follow the 'one-third rule': never cut more than one-third of the grass blade's height at once, as this can weaken it and prevent it from taking in proper nutrients. For most grass types, the ideal height is around 2 to 3 inches, though some warm-weather grasses do better when kept shorter at about 1.5 to 2 inches.

Bermuda grass is one of the fastest-growing warm-season grasses because of its system of aboveground stems (stolons) and below-ground stems (rhizomes). Adequate water and sunlight in a warmer climate will nurture the spread of Bermuda grass. This rapid growth rate makes Bermuda grass resilient and effective at choking weeds. However, this aggressive advancement can also make the grass difficult to contain and control.

Mowing your grass regularly, especially if you’re mowing close to the ground, can help kill Johnsongrass. Frequent mowing helps limit the spread of Johnsongrass and can even deplete carbohydrate reserves in rhizomes over time. The more time you leave in between mowing, the more likely Johnsongrass is to regrow and take over your lawn.