Quackgrass is a hardy, perennial grass with long, creeping rhizomes. It is considered invasive in many areas due to its aggressive spread.
Best time to see a Quackgrass
The best time to see a Quackgrass is June–July, when about 74% of U.S. sightings happen, based on 1,041 research-grade iNaturalist observations.
Not certain it is a Quackgrass? What plant is this? walks through what to check first and the lookalikes that catch people out.
Recent Quackgrass sightings near you
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