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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.

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.