A perennial weed is any weed capable of surviving for three or more years Perennial weeds are characterized by vegetative reproduction. Perennial weeds may or may not reproduce by seed. They always, however, have the potential to reproduce by vegetative means. Description of Horsenettle Horsenettle has erect or ascending stems, either unbranched or branched, that reach a height of 1 to 4 feet.
Leaves are oblong, wavy-edged, or lobed.
Sharp prickles are found on the stems, leaf petioles, midribs, and veins. The berries are smooth early in the season, but later become wrinkled. Horsenettle reproduces by seed and creeping rootstock. Horsenettle can be found in cultivated fields and pastures, and prefers sandy soils. Control of perennial weeds may require a combination of all these methods.