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