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Quackgrass is a blue-green perennial. The leaves are rolled in the bud, The ligule is short and membranous, auricles are long and clasping. The upper surface of the leaf blade is rough. Quackgrass produces long sharp tipped aggressive rhizomes. Quackgrass remains green year round. The seedhead of quackgrass is a spike containing two rows of spikelets. Awns are usually present. |
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Quackgrass is found throughout the Northern United States. |
| Integrated Pest Management Control Recommendations: |
Cultural Practices:
Quackgrass is a problem of horticultural plants and turfgrass areas. Quackgrass
can be introduced into turf areas with the planting of ornamental trees
and shrubs. Quackgrass is a problem in nursery areas. Once introduced
into turf areas, quackgrass spreads by aggressive rhizomes. Quackgrass
is less aggressive in hot temperatures.
Herbicide
Use:
Make your postemergent herbicide application to quackgrass that is actively
growing and in the 2 leaf to flower stage of growth. Control is only available
with a non-selective control product.
University Links | Gordon's Recommendations | Germination Dates
