Source: FORBES, 10/19/20

Roundup (glyphosate) is a popular weedkiller for a reason. The North Carolina State Extension points out that glyphosate is extremely effective — a "systemic (translocated) herbicide that moves from the treated foliage to other parts, including the roots," killing both annual and perennial weeds. It is nonselective, so it can be used to control most weeds — including grasses, sedges and broadleaves — while leaving little or no soil residual because it is inactivated by soil components. This makes it possible to spray weeds without damaging desirable plants and trees.

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