Broadleaf grass, also referred to as broadleaf weeds, infests turf grass. These invasive weeds generally invade lawns in areas of decline that have already been attacked by an insect or pest problem. The presence of broadleaf grasses is a symptom of a deeper problem. For greatest resistance to broadleaf weed infestation, keep your grass full and healthy.
Common chickweed (Stellaria media), also referred to as starweed or starwort, is considered a winter annual broadleaf grass. Winter annual broadleaf grasses germinate in summer or spring, flower/produce seeds in the middle of the spring season and then die. Displaying light green haired stems with heart-shaped leaves and white flowers, common chickweed thrives in moist, shaded conditions and cool temperatures and reproduces by seed, according to the Cornell Cooperative Extension.
Henbit (Lamium amplexicaule), a winter annual broadleaf weed, displays stems often tinted with a purple hue and round or heart-shaped green leaves with pink or purple flowers. Reproducing by seed, henbit prefers cool temperatures, moist conditions and rich soil, according to the Cornell Cooperative Extension.
The summer annual knotweed (Polygonum aviculare) germinates during the spring or summer season, and dies after flowering and setting of seeds. Displaying blue-green matting stems, leaves are also a blue-green hue in an oval shape with inconspicuous flowers lacking petals. Knotweed reproduces from seed and prefers compacted soil and salty conditions; a resilient broadleaf weed, knotweed will grow on poor sites, according to the Cornell Cooperative Extension.
Black medic (Medicago lupulina), also referred to as black clover, displays spreading green stems and oval to triangular leaves resembling those of a clover plant with small vivid yellow flowers. Black medic thrives on poor sites such as those experiencing drought and nutrient-deficient conditions, according to the Cornell Cooperative Extension.
Common Blue Violet
Common blue violet (Viola papilionacea) live for a duration surpassing two years. Common blue violet displays green stems with heart-shaped green leaves and blue-violet flowers. This perennial broadleaf grass reproduces by seed or rhizome and prefers cool temperatures and moist areas with an abundance of shade; tolerances include drought, according to the Cornell Cooperative Extension.
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