Penoxulam + sulfentrazone + dicamba + 2,4-Dįor information regarding weed identification and control options please contact your local LSU AgCenter Extension Parish Office. Produces seed in the spring seed germinates in the early fall or early spring Closeup of deadnettle flowers. Stemming from the lamiaceae family, these broadleaf weeds are similar to each other, each having small, horn-shaped purple flowers growing out of the top of. Fibrous root system doesn't creep along the ground. Pinkish-purple lipped flowers borne at top of plant. Its stems have a square shape and get a reddish-purple color starting from the base of the plant toward the top as the plant ages. This plant doesn’t grow tall and forms dense patches. Other common names of this plant include red dead-nettle or purple archangel. Post-emergence Herbicide Active IngredientsĢ,4-D + dicamba + mecoprop + carfentrazone Leaves opposite, triangular, pointed, and overlapping and crowded near top of stem. Purple Deadnettle ( Lamium purpureum) is an annual weed native to Europe and Asia. Pre-emergence Herbicide Active Ingredients For more information regarding pesticides for turfgrass please reference the Louisiana Suggested Chemical Weed Control Guide. When applying any type of herbicide, you must follow the manufacturer’s labeled directions. Henbit is readily controlled by several pre-emergence and post-emergence herbicides.
In addition to cultural practices, herbicide applications may be required to achieve effective weed control. In addition to these lawn care practices, manual removal of weeds may also be necessary. Below are the recommended mowing heights and nitrogen fertility rates recommended for each turfgrass species. Properly maintaining a lawn through these cultural practices promotes dense and vigorous turfgrass, allowing it to better compete with weeds. The best way to prevent or reduce weed encroachment is to maintain a healthy lawn through proper fertilization and soil pH management and regular mowing. For more information on henbit identification and characterization, reference the USDA Plants Database. Henbit freely branches from the base and can have both an upright and prostrate growth habit. They grow near leaf axils or where leaves are attached to the stem. Both leaves and stems can be sparsely hairy. Stems are green to purple in color and are four-sided (square). Leaves are circular to heart-shaped with round-toothed edges with hairs on the upper leaf surface and on the veins of the lower surface. Henbit has medium green leaves, which are oppositely arranged along the stem. This weed is commonly confused with purple deadnettle (Lamium purpureum).
It can be found growing in areas with thin turfgrass and can tolerate some shade as well. Henbit produces flowers in the spring and spreads through seed.
As a member of the mint family, it can be distinguished by its four-sided, square-shaped stem. Henbit ( Lamium amplexicaule L.) is a cool-season annual weed common throughout Louisiana.
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