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Discover how to fight this common grassy weed—and win.
Foxtail is an annual grassy weed that is also referred to as wild millet. There are three types of foxtail found throughout the U.S.: yellow, green, and giant. Yellow foxtail is the smallest of the three types and the most prevalent in lawns. They are tolerant of a wide range of growing conditions and can be found in both moist and dry soil.
Foxtail forms a coarse, upright bunch. The leaves are flat, wide, and smooth with edges that are slightly rough. The base of the leaves also has fine hairs. Flower stems rise from the base of the leaves. The stems hold a 3-10 inch spike that resembles a fox's tail. Plants will produce seed heads throughout the summer.
Foxtail can be prevented in the lawn by applying pre-emergent weed control in the spring. In summer, post-emergent weed control can be applied to control small plants before they produce seed heads.