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

Is this plant a weed?

Welcome! Have you found a plant growing where it's not wanted? Is it a weed? A weed is defined as any plant that is considered undesirable, unattractive, or troublesome, especially one growing where it is not wanted. This online diagnostic tool is designed to help you identify and manage common and invasive weeds in Minnesota lawns and landscapes. To begin, select one of the plant categories below.

Choose a plant type.


A plant with relatively broad leaves with branched leaf veins


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


A plant that resembles grass but has a triangular stem


Plants with woody trunks or stems


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

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