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Extension > Garden > Diagnose a problem > Is this plant a weed?

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Is this plant a weed?

A weed is defined as any plant that is considered undesirable, unattractive or troublesome, especially when growing where it is not wanted. This diagnostic tool will help you identify and manage common and invasive weeds in Minnesota lawns and landscapes.

To search the diagnostic tool, use the Search bar to the left, at the bottom of the navigation column.

The Search bar at the top of this page will take you back to the main Extension website.

Choose a plant type

thumbnail of broadleaf plant


A plant with relatively broad leaves with branched leaf veins

thumbnail of grass


A plant with long narrow leaves with parallel leaf veins and round, or slightly flattened, jointed stems

thumbnail of sedge plant


A plant that resembles grass but has a triangular stem

thumbnail of a tree


Plants with woody trunks or stems

thumbnail of moss


Small, flowerless plants having stems with leaflike structures and growing in velvety clusters in moist, shady areas

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