Professional Lawn, Shrub & Tree Care
9418 Corsair Road, Frankfort, IL
(815) 469-5566 | (630) 620-5050 | (219) 836-8075
Mon-Fri: 9-5 | Sat: 7-1

Quackgrass

The leaf blades are typically broad (mostly 5-10 mm wide) and often lax, unlike most other wheatgrasses with stiff, narrow or inrolled, and strictly ascending leaf blades.

Quackgrass is an undesirable, cool season, perennial grass that reproduces by seed or underground rhizomes and can reach 3 1/2′ high. It can appear in new as well as older established lawns. Most times it simply blends together with the various other grasses in the lawn, but when it clusters together in thick clumps it can cause some very unsightly areas. These intrusions detract from the overall uniformity of a “well maintained” lawn. Quackgrass is one the most troublesome perennial grassy weeds found in our region’s lawns. It is more complicated to control than other weeds because it is a grass and therefore it acts like a grass. While many weeds can be controlled with “selective” herbicides—ones that kill specific plants and leave all others unaffected. Unfortunately, there is no selective herbicide available to control Quackgrass in lawns. To control Quackgrass chemically, a “non-selective herbicide” is required. A non-selective herbicide will kill all growth it contacts and therefore is not usually an option. Sometimes digging out the clusters of growth is the only option.

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