Lamium amplexicaule
broadleaf weedUSDA zones 3–10Active: spring, winterWinter annual in the mint family that blooms in early spring with purple-pink tubular flowers. Often carpets lawns before spring mowing begins.
Square stems; rounded, scalloped leaves clasping the stem; whorls of small pink-purple tubular flowers.
Dense turf prevents henbit germination in fall. Overseed and fertilize to fill gaps.
When: Fall lawn care program
Shallow-rooted and easy to pull. Remove before seed set in spring.
When: Pull in late winter/early spring before flowering
Three-way broadleaf herbicide provides reliable henbit control.
When: Apply in fall after germination or early spring before flowering
Active ingredient: 2,4-D + Dicamba — e.g. Trimec, Weed Free Zone
Fall-applied pre-emergent prevents henbit germination.
When: Apply in early fall before soil cools to henbit germination temperature
Active ingredient: Isoxaben — e.g. Gallery
Grass safety: always match herbicides to your grass species — products safe on Kentucky bluegrass can kill St. Augustine or centipede. Lawn Guardian checks this automatically against your lawn profile.
Lawn Guardian turns this guidance into a schedule timed to your USDA zone and this week's actual weather — and adapts every time you log what you've done.
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