Identify the most common creeping lawn weeds by growth pattern, leaf shape, and season. Treatment for creeping Charlie, clover, crabgrass, spurge, and other flat-growing invaders.
Loading diagnostic tool...
Creeping weeds spread horizontally through stolons, rhizomes, or both. Pulling leaves root fragments that regenerate. Mowing doesn’t reach them because they grow flat below the blade. Effective control requires identifying the specific weed and matching it to the right herbicide timing and type.
Browse all causes below. Each includes symptoms, a photo placeholder, confirmation test, and treatment links.
Pattern: Round scalloped leaves, square stems, purple flowers in spring, strong minty smell when crushed
A perennial broadleaf that spreads aggressively by stolons. Thrives in shade and moist soil. Every stem fragment can root into a new plant. Treat with triclopyr-based broadleaf herbicide in fall when the plant is pulling nutrients into roots.
Crush a leaf. Strong minty smell confirms creeping Charlie. Square stems are a second identifier.
Pattern: Three-leaflet leaves, round white flower heads, stays green in drought, low spreading growth
A perennial legume that fixes nitrogen from air, thriving in low-fertility lawns. Spreads by stolons and reseeds prolifically. Some homeowners embrace it. For removal, use a broadleaf herbicide with triclopyr. A thick, well-fertilized lawn prevents clover establishment.
Three round leaflets per leaf. White ball-shaped flower clusters. Stays green when surrounding grass goes dormant.
Pattern: Light green star-shaped clumps, wider blades than lawn grass, appears in thin spots, summer annual
An annual grassy weed germinating when soil hits 55 degrees. Grows flat in spreading star patterns. Dominates in thin turf and compacted soil. Prevention with pre-emergent in spring is the most effective strategy. Post-emergent quinclorac kills existing plants.
Pull a clump: crabgrass pulls easily with shallow roots in a star-shaped mat. Blades are wider and lighter green than lawn grass.
Pattern: Flat mat-forming growth, tiny oval leaves, milky white sap when stems are broken, hot-weather annual
A summer annual forming flat mats in driveways and thin lawn areas. Thrives in compacted hot soil. Dies with first frost but drops thousands of seeds. Pre-emergent prevents it; post-emergent 2,4-D or triclopyr kills existing plants.
Break a stem. Milky white sap confirms spurge. No other common lawn weed produces this sap.
Pattern: Dense light-green patches, spongy puffy mat, turns brown in summer heat, very fine blades
Actually a grass (not broadleaf), which makes selective removal impossible with herbicides. Spreads aggressively by stolons. Used on golf putting greens but is a weed in home lawns. Selective removal requires killing the patch and reseeding with the desired grass.
Patch feels spongy and puffy. Individual blades are extremely fine. Browns in summer while surrounding grass stays green.
Creeping Charlie, white clover, crabgrass, prostrate spurge, and creeping bentgrass. Each spreads differently and requires different treatment. Creeping Charlie and clover respond to broadleaf herbicides. Crabgrass needs pre-emergent. Bentgrass requires renovation.
Identify the weed first. Broadleaf creepers (creeping Charlie, clover, spurge): broadleaf herbicide with triclopyr. Crabgrass: pre-emergent in spring, quinclorac for existing plants. Bentgrass: kill the patch and reseed. No single product controls all creeping weeds.
Thin turf. The root causes: mowing too short, compacted soil, inadequate fertilization, and bare spots. Creeping weeds exploit gaps. Thicken your lawn through overseeding, proper mowing height (3 to 4 inches), and regular fertilization to prevent most invasions.
No. Creeping weeds grow flat below the mower blade. Mowing shorter actually helps them by weakening competing grass. Raise mowing height to 3 to 4 inches and use appropriate herbicides for the specific weed type.
Create your account here to access our Membership Content
We have tons of Job information and some valuable information only accessible by our member. Signup here to become a member and access the content.
Already have an account? Login Here
Do not have an account? Signup Here
Copyright © 2026 SunCo Lawns. All Rights Reserved.
