deadnettle, purple

COMMON NAME: Deadnettle, purple
SCIENTIFIC NAME: Lamium purpureum
FAMILY: Lamiaceae
LIFECYCLE: Annual
FEATURES: Winter annual herb common in turf and ornamentals, and dormant crop fields. Leaves are ovate
with a broadly acute leaf apex (pointed leaf tip) and lightly pubescent. Leaves stalked (petiolate)
at lower portion of plant and leaf stems decreasing in length as they move up the stem. Stems
square, as with all mint species. Inflorescence produced at apex of plant with solitary flowers
produced in the leaf axils. Flowers light purple in color with long throat, bilaterally symmetrical.
Plant turns purple as it ages, especially after the onset of flowering.
DESCRIPTION: Purple deadnettle is a common winter annual weed, especially in turf that is not mown or mown
infrequently throughout the winter and early spring. Easily distinguised by its bilaterally symmetrical
light purple flowers, square stem, and down turned leaves. Similar to henbit and ground ivy.
Compared to henbit, purple deadnettle has down turned leaves, velvety pubescent leaves, and light
purple flowers. Compared to ground ivy, purple deadnettle has an upright growth habit, whereas,
ground ivy has a creeping prostrate habit.

Broad View Weedy patch

Broad View
Weedy patch

Flower / Seed Head Inflorescence.

Flower / Seed Head
Inflorescence.

Flower / Seed Head Flowers

Flower / Seed Head
Flowers

Leaf Leaf

Leaf
Leaf