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Quackgrass
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Growth
Habit:
Erect perennial grass, reproducing from seed and
creeping rhizomes.
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Leaves: Auricles present: Blade
soft, flat, may be covered with soft hair.
Ligule 0.5mm long. Small leaf constriction often present
near the point of
the leaf.
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Stems: Culms 1 to 3 feet tall,
erect, smooth.
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Inflorescences: A spike up to 10” long, composed of 2 rows of spikelets
born flat-wise to the stem.
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Roots: Rhizomes yellowish white,
sharp- pointed, rooting at nodes only.
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Seeds: Contained in spikelets, awnless or with short
straight awns.
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Other: Roots can penetrate hard
soils, tubers, and roots of other plants.
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