Purple deadnettle leaves are triangular in shape with shallow lobes. The following four weeds with purple flowers are probably the most notorious culprits responsible for invading your landscape: Creeping Charlie (Ground Ivy) Purple Deadnettle Henbit Wild Violet Let’s take them one at a time so you can identify the purple flower weed in your lawn or garden, but first a word about eliminating these weeds. Purple deadnettle flowers are light purple in color and are small and tubular in shape. Apply an appropriate pre-emergent herbicide prior to seed germination or apply an appropriate post-emergent herbicide directly to target weeds. Purple deadnettle is a member of the mint family and has a characteristic square stem.
It is similar to henbit in appearance but its upper. Hand-pull plants in planting beds prior to seed maturation. Purple deadnettle (Lamium purpureum) is a common winter annual weed found in North Carolina waste areas.flowering annuals that inhabit the same areas (such as native Mimulus. seedlings do not germinate during hot summer temperatures purple deadnettle plants complete their life cycle before hot temperatures set in and seeds can germinate immediately as long as temperatures are not too high Purple Dead-nettle is a weed of cereal crops, kitchen gardens, and roadsides.a winter annual with seeds that germinate in the fall although a lesser portion of seeds may also germinate in the spring Although there are many weeds with purple flowers, these are some of the ones you’re most likely to stumble across: Henbit.The leaves are more triangular and less deeply-lobed. commonly grows in planting beds and lawn areas Deadnettle also has upper leaves that are distinctly red- or purple-tinged.flowers are small, purple and circle upper leaf axils if studied carefully, flowers resemble tiny orchid blooms with a white face and purple spots.leaves are clustered around stem tips and the uppermost leaves are smaller and reddish purple in color, giving the plant the appearance of vertically standing hooded figures.As the photograph shows, this winter annual features bright. leaves are hairy, arrow shaped and oppositely arranged on stems leaves have prominent veins that are recessed on blades and leaf margins are toothed Purple deadnettle (Lamium purpureum) is no stranger to pasturelands, roadsides, lawns, and gardens.produces square-shaped stems that grow 4 – 16 inches tall stems are branched at the base and purplish in color.