Posted by Michelle Vignault Invasive plants are non-native species that have been introduced intentionally or accidently. Once established, these plants are harmful in many different ways and cause numerous problems that vary depending on the species, location, land use, and desirable vegetation. The negative impacts can range from poor aesthetics to altering the utility and […]
Posted by Michelle Vignault Invasive plants are non-native species that have been introduced intentionally or accidently. Once established, these plants are harmful in many different ways. Invasive plants cause numerous problems that vary depending on the species, location, land use and desirable vegetation. The negative impacts can range from poor esthetics to altering […]
Posted by Michelle Vignault Broomsedge (Andropogon virginicus L.) is an invasive perennial weed found throughout the Southeastern United States. It has a clumped growth habit, abundant seed production, and favors acidic soils. Leaves often have soft hairs at the base with flattened sheaths that turn straw colored upon maturity in fall. Populations are often found […]
Posted by Michelle Vignault Italian ryegrass (Lolium multiflorum) is one of the most problematic winter weeds of roadside vegetation. Ryegrass establishes from seed in the fall when soil temperatures drop below 70° F. Plants overwinter in a vegetative state followed by significant growth when temperatures warm up in spring. Ryegrass grows well […]
Posted by Michelle Vignault Johnsongrass (Sorghum halepense) is a warm-season perennial weed found near roadsides, rights-of-way, row crops, parks, and industrial sites. Populations may germinate from seed in spring after overwintering in the soil. However, Johnsongrass primarily emerges from dormant rhizomes in areas with a history of infestations. Rhizomes are belowground stems that produce […]
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