What Dollarweed (Pennywort) looks like
Shiny, round or disk-shaped leaves on long petioles (leaf stems), resembling small coins; very low-growing.
Photo: Wikimedia Commons
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Best approach: Spray or dig
Dollarweed pulls out easily due to shallow roots. However, fixing the underlying drainage issue is essential or it returns. For persistent problems, spray with broadleaf herbicide.
Best products for Dollarweed (Pennywort)
Formulated to kill dollarweed (pennywort) without wiping out your grass — see the timing and chemistry below.
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BioAdvanced All-In-One Weed & Feed (22-0-4)
✓ Kills dollarweed (pennywort)Beginner friendly
Scotts Turf Builder Triple Action1
✓ Kills dollarweed (pennywort)Beginner friendlyPrevents crabgrass for up to 4 months, kills dandelion, clover and other listed broadleaf weeds, and feeds. Apply to wet grass, no more than twice a year. Not for St. Augustine. Its label allows centipede, but centipede does better with a stand-alone weed killer and a lighter feeding.
Scotts Turf Builder Weed & Feed5
✓ Kills dollarweed (pennywort)Beginner friendlyWeed killer plus 26-0-2 lawn food for dandelion, clover and other listed broadleaf weeds. Apply to wet grass. On bahia, wait until mid-April and the third mowing, and make fall applications before Nov 1. Not for St. Augustine. Its label allows centipede, but centipede does better with a stand-alone weed killer and a lighter feeding.
How much do you need?
Herbicide is dosed by lawn size. Pick your yard size for a quick estimate:
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When to treat Dollarweed (Pennywort)
Spray in spring or fall when temperatures are 60–80°F and the weed is actively growing. Avoid summer heat — stressed grass takes collateral damage.
Chemical treatment
Apply a broadleaf herbicide (2,4-D + dicamba or MCPA) in spring or early summer, focusing on moist problem areas.
Non-chemical management
Ensure proper drainage and reduce overwatering; aerate compacted areas to improve water movement.
How to stop Dollarweed (Pennywort) coming back
Ensure proper drainage and reduce overwatering; aerate compacted areas to improve water movement.
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Measure my lawn — it's free →FAQ
What does Dollarweed (Pennywort) look like?
Shiny, round or disk-shaped leaves on long petioles (leaf stems), resembling small coins; very low-growing.
What's the best way to kill Dollarweed (Pennywort)?
Spray or dig. Dollarweed pulls out easily due to shallow roots. However, fixing the underlying drainage issue is essential or it returns. For persistent problems, spray with broadleaf herbicide.
Is Dollarweed (Pennywort) hard to get rid of?
Dollarweed (Pennywort) is rated moderate to control. Consistent treatment over a season usually does the job.
How do I stop Dollarweed (Pennywort) coming back?
Ensure proper drainage and reduce overwatering; aerate compacted areas to improve water movement.
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