Plantago major
broadleaf weedUSDA zones 3–10Active: spring, summer, fallTough perennial that thrives in compacted soil. Produces rosettes of wide, oval leaves with prominent parallel veins. Common along walkways and high-traffic areas.
Large oval leaves with 5-7 prominent parallel veins; lies flat against ground; tall narrow flower spikes with tiny greenish flowers.
Plantain indicates compaction. Core aeration reduces favorable conditions.
When: Aerate in fall for cool-season or late spring for warm-season lawns
Use a dandelion digger to remove the entire taproot. Effective for scattered plants.
When: Dig when soil is moist for easiest root removal
Apply horticultural vinegar directly to crown. Avoid surrounding turf.
When: Apply on hot, sunny day for maximum effectiveness
Standard broadleaf herbicide provides good plantain control.
When: Apply in fall when plantain is actively growing
Active ingredient: 2,4-D — e.g. Ortho Weed B Gon, Trimec
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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