Product Reviews
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Post-Emergent Herbicide (Crabgrass + Broadleaf)
Ortho Weed B Gon Plus Crabgrass Control Review
★★★★★ 4.5/5 editor rating
The one homeowner bottle that kills crabgrass already up AND common broadleaf weeds — quinclorac is what standard three-way mixes are missing.
Typically $20–$28 at Amazon and Home Depot. We link to retailers once our affiliate programs are active.
Commissions never influence verdicts.
Our Verdict
If crabgrass is already visible, this is the practical answer: quinclorac handles the grassy weed while the three-way component clears dandelion, clover and spurge in the same pass. It will not touch sedges, and like all 2,4-D products it needs cool-enough weather to be safe on turf.
✅ Pros
- Quinclorac controls emerged crabgrass — most three-way products cannot
- Handles broadleaf weeds in the same application
- Rainproof in about an hour
- Very economical per 1,000 sq ft as a concentrate
⚠️ Cons
- Turf injury risk above roughly 85–90°F, like all 2,4-D blends
- No effect on nutsedge or other sedges
- Mature crabgrass with many tillers may need a repeat application
- St. Augustine and Floratam require a Southern formulation instead
Product type
Post-Emergent Herbicide (Crabgrass + Broadleaf)
Active ingredient
Quinclorac + 2,4-D + dicamba (concentrate)
Price range
$20–$28
Coverage
Up to 16,000 sq ft per 32 oz concentrate
Best for
Crabgrass that has already emerged, alongside broadleaf weeds
Editor rating
4.5 out of 5
Where This Product Matters
Matched against each state's actual disease, weed and pest pressure.
Florida
Florida hub →Crabgrass
Application window: March–May and October–November; avoid applications above 85°F
Texas
Texas hub →CrabgrassDallisgrassHenbitSpurge
Application window: April–early June and September–October; avoid herbicides above 90°F
North Carolina
North Carolina hub →CrabgrassHenbitWhite cloverDallisgrass
Application window: April–May and September–October; avoid spraying heat-stressed fescue in July–August
Georgia
Georgia hub →CrabgrassDallisgrass
Application window: April to early June and September–October; avoid mid-summer sprays on stressed turf
Ohio
Ohio hub →DandelionCrabgrassWhite clover
Application window: May–June and September; fall applications hit dandelion taproots hardest
California
California hub →Spotted spurgeCrabgrass
Application window: March–May while weeds are young; avoid spraying drought-stressed turf in summer
Pennsylvania
Pennsylvania hub →DandelionCrabgrassWhite clover
Application window: May and September — fall is the knockout window for perennial broadleaf weeds
Illinois
Illinois hub →DandelionCrabgrass
Application window: May–June and September; fall beats creeping charlie best
Tennessee
Tennessee hub →CrabgrassDallisgrassHenbit
Application window: April–May and September–October; skip sprays on drought-stressed summer fescue
Arizona
Arizona hub →Spotted spurge (the Phoenix #1)Crabgrass
Application window: March–May and during monsoon flushes; Celsius-type products handle 100°F+ windows
Guides That Use This Product
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