7 Weed Killers With Quinclorac That Dominate Unwanted Weeds

You might think quinclorac is only for a niche set of weeds, but it actually tackles everything from crabgrass to dandelions with impressive speed. By comparing seven top formulations—each with its own dilution tips, complementary actives, and application nuances—you’ll see how subtle differences can boost effectiveness and reduce waste. Curious which product aligns best with your lawn’s specific challenges?

Our Top Quinclorac Weed Killer Picks

Quali-Pro MSM Turf Herbicide 8ozQuali-Pro MSM Turf Herbicide 8ozProfessional GradeActive Ingredient (Quinclorac): Not listed (primary herbicide unspecified)Formulation Type: LiquidTarget Weed Types: Broadleaf & grassy weeds on ornamental turfVIEW LATEST PRICERead Our Analysis
GORDON’S Trimec Ready Spray Lawn Weed Killer 1 Quart 8207460GORDON'S Trimec Ready Spray Lawn Weed Killer 1 Quart 8207460Best ValueActive Ingredient (Quinclorac): Quinclorac (grassy weed control)Formulation Type: Spray (hose‑end ready)Target Weed Types: Broadleaf weeds; crabgrass (grassy)VIEW LATEST PRICERead Our Analysis
Quali-Pro EXPEL Herbicide 32 oz – Tough Weed ControlQuali-Pro EXPEL Herbicide 32 oz – Tough Weed ControlTough Weed SpecialistActive Ingredient (Quinclorac): Not listed (primary herbicide sulfentrazone)Formulation Type: LiquidTarget Weed Types: Tough broadleaf weeds & sedgeVIEW LATEST PRICERead Our Analysis
Triad QC Select 3‑Way Herbicide (Quart)Triad QC Select 3‑Way Herbicide (Quart)Late‑Season Clean‑UpActive Ingredient (Quinclorac): Quinclorac (part of 3‑way blend)Formulation Type: Liquid sprayTarget Weed Types: Broadleaf & grassy weeds (crabgrass, dandelion, clover)VIEW LATEST PRICERead Our Analysis
Quinclorac H-Value 64 oz Bottle for Increased AbsorptionQuinclorac H-Value 64 oz Bottle for Increased AbsorptionEnhanced AbsorptionActive Ingredient (Quinclorac): Quinclorac (enhanced with H‑Value)Formulation Type: Liquid concentrateTarget Weed Types: Crabgrass (all growth stages)VIEW LATEST PRICERead Our Analysis
BASF Drive XLR8 Crabgrass Killer – 64 oz ConcentrateBASF Drive XLR8 Crabgrass Killer – 64 oz ConcentrateResidual ControlActive Ingredient (Quinclorac): Quinclorac 18.92%Formulation Type: Water‑based concentrateTarget Weed Types: Crabgrass, broadleaf weeds, sedge, other turf weedsVIEW LATEST PRICERead Our Analysis
FMC Solitare WSL .75 GallonFMC Solitare WSL .75 GallonAll‑In‑One SolutionActive Ingredient (Quinclorac): Quinclorac 5%Formulation Type: Water‑soluble liquidTarget Weed Types: Crabgrass, broadleaf weeds, sedgeVIEW LATEST PRICERead Our Analysis

More Details on Our Top Picks

  1. Quali-Pro MSM Turf Herbicide 8oz

    Quali-Pro MSM Turf Herbicide 8oz

    Professional Grade

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    Quali‑Pro MSM Turf Herbicide 8 oz is the top pick for anyone who needs fast, reliable control of both broadleaf and grassy weeds on ornamental turf. You’ll spray it on lawns, parks, cemeteries, golf‑course fairways, aprons, tees, roughs, and sod farms, and the liquid formulation works instantly. Its high‑quality blend targets stubborn weeds without harming the grass. Store the bottle in a secured warehouse for up to three years, away from fertilizers, seeds, or other pesticides. Amazon backs it with a 30‑day return guarantee, and the product warranty details are readily available. Trust this herbicide for consistent, professional‑grade results.

    • Active Ingredient (Quinclorac):Not listed (primary herbicide unspecified)
    • Formulation Type:Liquid
    • Target Weed Types:Broadleaf & grassy weeds on ornamental turf
    • Application Coverage (Approx. Area):Not specified (8 oz bottle)
    • Primary Use Setting:Ornamental turf (lawns, parks, golf courses)
    • Product Size (Volume):8 oz
    • Additional Feature:3‑year shelf life
    • Additional Feature:Liquid formulation
    • Additional Feature:Commercial & residential turf
  2. GORDON’S Trimec Ready Spray Lawn Weed Killer 1 Quart 8207460

    Looking for a fast‑acting, low‑odor solution that tackles over 230 broadleaf weeds without harming your lawn grass? GORDON’S Trimec Ready Spray Lawn Weed Killer delivers a 3‑way herbicide blend that targets crabgrass, foxtail, dandelions, plantain and more. You simply attach the 1‑quart bottle to your hose, spray 5,000–8,000 sq ft., and let the low‑odor formulation work. Quinclorac tackles grassy weeds, while Trimec attacks broadleaf species, yet most lawn grasses stay safe when you follow directions. At 16 oz weight and 32 fl oz of liquid, it’s a convenient, ready‑to‑use option for a pristine yard.

    • Active Ingredient (Quinclorac):Quinclorac (grassy weed control)
    • Formulation Type:Spray (hose‑end ready)
    • Target Weed Types:Broadleaf weeds; crabgrass (grassy)
    • Application Coverage (Approx. Area):5,000–8,000 sq ft (1 qt)
    • Primary Use Setting:Residential & commercial lawns
    • Product Size (Volume):1 qt (32 fl oz)
    • Additional Feature:Low‑odor formulation
    • Additional Feature:Hose‑end ready‑spray
    • Additional Feature:5,000‑8,000 sq ft coverage
  3. Quali-Pro EXPEL Herbicide 32 oz – Tough Weed Control

    Quali-Pro EXPEL Herbicide 32 oz – Tough Weed Control

    Tough Weed Specialist

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    If you need a herbicide that tackles stubborn weeds both above and below the surface, Quali‑Pro EXPEL 32 oz delivers. Its 39.6% sulfentrazone attacks sedge roots and foliage, wiping out over 50 tough species. You’ll see control of yellow and purple nutsedge, green kyllinga, dandelion, clover, and many other weeds that plague cool‑ and warm‑season grasses, athletic fields, sod farms, and golf courses. The formula reduces future sedge populations, keeping lawns and turf healthier longer. Apply to commercial or residential turf, and you’ll enjoy a cleaner, more uniform landscape without repeated treatments.

    • Active Ingredient (Quinclorac):Not listed (primary herbicide sulfentrazone)
    • Formulation Type:Liquid
    • Target Weed Types:Tough broadleaf weeds & sedge
    • Application Coverage (Approx. Area):Not specified (32 oz)
    • Primary Use Setting:Commercial & residential cool‑ & warm‑season grass, athletic fields, golf courses
    • Product Size (Volume):32 oz
    • Additional Feature:Sulfentrazone 39.6%
    • Additional Feature:Attacks sedge below surface
    • Additional Feature:Over 50 tough weeds
  4. Triad QC Select 3‑Way Herbicide (Quart)

    Triad QC Select 3‑Way Herbicide (Quart)

    Late‑Season Clean‑Up

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    Triad QC Select 3‑Way Herbicide (Quart) is the go‑to solution for homeowners and turf managers who need fast, post‑emergent control of both broadleaf and grassy weeds. You’ll find 2,4‑D, Dicamba, and Quinclorac blended to tackle dandelion, clover, crabgrass, and many other weeds. Apply it on lawns, athletic fields, roadsides, parks, and golf turf—just avoid tees, greens, and collars. Its Quinclorac component penetrates foliage and roots, crushing newly germinated crabgrass from 1‑leaf up to 5‑tiller stages. This late‑season clean‑up works on residential and commercial sites, delivering reliable results with a 4.4‑star rating from 199 reviewers.

    • Active Ingredient (Quinclorac):Quinclorac (part of 3‑way blend)
    • Formulation Type:Liquid spray
    • Target Weed Types:Broadleaf & grassy weeds (crabgrass, dandelion, clover)
    • Application Coverage (Approx. Area):Not specified (32 oz)
    • Primary Use Setting:Residential & non‑residential lawns, athletic fields, roadsides, parks, golf turf (except tees/greens)
    • Product Size (Volume):32 oz
    • Additional Feature:Late‑season clean‑up
    • Additional Feature:2,4‑D + Dicamba blend
    • Additional Feature:4.4‑star rating
  5. Quinclorac H-Value 64 oz Bottle for Increased Absorption

    Quinclorac H-Value 64 oz Bottle for Increased Absorption

    Enhanced Absorption

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    Homeowners battling stubborn crabgrass will find the 64‑oz Quinclorac H‑Value bottle the ideal solution. You’ll appreciate the patent‑pending H‑Value additive that boosts absorption, letting the herbicide infiltrate weeds faster and at higher rates. It tackles crabgrass from early tiller stages through mid‑tiller growth, even under drought or rainfast conditions. The rain‑fast formula stays effective after a shower, and EPA registration (89442‑57) assures compliance. One 64‑oz bottle covers large lawns, reducing the need for frequent re‑applications. Albaugh’s generic brand delivers the same performance as premium options, helping you keep your yard weed‑free without breaking the bank.

    • Active Ingredient (Quinclorac):Quinclorac (enhanced with H‑Value)
    • Formulation Type:Liquid concentrate
    • Target Weed Types:Crabgrass (all growth stages)
    • Application Coverage (Approx. Area):Not specified (64 oz)
    • Primary Use Setting:Residential lawns, turfgrass
    • Product Size (Volume):64 oz
    • Additional Feature:H‑Value Technology additive
    • Additional Feature:Enhanced rainfast performance
    • Additional Feature:EPA Reg. No. 89442‑57
  6. BASF Drive XLR8 Crabgrass Killer – 64 oz Concentrate

    BASF Drive XLR8 Crabgrass Killer – 64 oz Concentrate

    Residual Control

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    BASF Drive XLR8 Crabgrass Killer is the go‑to solution for anyone who needs fast, reliable control of crabgrass and a wide range of other weeds on residential lawns, golf courses, or commercial turf. Its 18.92 % quinclorac concentration works in a water‑based formula that delivers up to 30 days of residual control. You’ll tackle crabgrass, foxtail, kikuyu, signal, torpedo, bindweed, clover, dandelion, black medic, and horseweed with a single spray. Apply spot‑treatment only in NY, wear long sleeves, pants, socks, shoes, and chemical‑resistant gloves. The 64‑oz bottle weighs 67 oz, and users rate it 4.4 / 5 stars.

    • Active Ingredient (Quinclorac):Quinclorac 18.92%
    • Formulation Type:Water‑based concentrate
    • Target Weed Types:Crabgrass, broadleaf weeds, sedge, other turf weeds
    • Application Coverage (Approx. Area):Not specified (64 oz)
    • Primary Use Setting:Residential lawns, golf courses, commercial properties, non‑residential turfgrass
    • Product Size (Volume):64 oz
    • Additional Feature:30‑day residual control
    • Additional Feature:Water‑based formulation
    • Additional Feature:Spot‑application in NY
  7. FMC Solitare WSL .75 Gallon

    FMC Solitare WSL .75 Gallon

    All‑In‑One Solution

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    If you need a fast‑acting, all‑in‑one herbicide for lawns, athletic fields, or golf courses, the FMC Solitare WSL .75 gallon is the right choice. You’ll get a water‑soluble liquid that tackles crabgrass, broadleaf weeds, and sedge with visible results in as little as two days. The formula blends 5 % quinclorac and 1.6 % sulfentrazone, so you avoid multiple applications. One 96‑oz container covers up to one acre, making it ideal for commercial sod farms, golf fairways, institutional lawns, and athletic fields. Just remember it’s not for St. Augustine turf, and you’ll save on both chemical and labor costs.

    • Active Ingredient (Quinclorac):Quinclorac 5%
    • Formulation Type:Water‑soluble liquid
    • Target Weed Types:Crabgrass, broadleaf weeds, sedge
    • Application Coverage (Approx. Area):1 acre (96 oz)
    • Primary Use Setting:Residential & commercial lawns, athletic fields, sod farms, golf fairways & roughs
    • Product Size (Volume):96 oz (0.75 gal)
    • Additional Feature:All‑in‑one water‑soluble
    • Additional Feature:Not for St. Augustine turf
    • Additional Feature:Visible results in two days

Factors to Consider When Choosing Weed Killer With Quinclorac

When you pick a quinclorac weed killer, first check that it targets the specific weeds you’re battling. Then, match the application timing to the plant’s growth stage and consider soil pH, rainfastness, and weather to guarantee effectiveness. Finally, measure the dilution ratio accurately to avoid under‑ or over‑application.

Weed Type Compatibility

Because quinclorac targets the growth pathways of grassy weeds, you’ll see strong control of crabgrass, foxtail and certain sedges, while broadleaf weeds such as dandelions, clover and plantain often escape its effects. When you match a product to your lawn’s weed profile, first list the dominant species. If grassy weeds dominate, quinclorac alone will likely suffice, especially on young, actively growing plants. For mixed infestations, pair quinclorac with a broadleaf‑active herbicide to broaden coverage. Remember that younger seedlings absorb the chemical more efficiently, so early‑season growth yields better results. Avoid relying on quinclorac for mature broadleaf weeds; instead, select a complementary active ingredient. This targeted approach maximizes control while minimizing unnecessary applications.

Application Timing Guidelines

Choosing the right moment to apply quinclorac hinges on the weed’s growth stage and environmental conditions. You should spray in late spring or early summer when crabgrass is actively growing, ideally at the 1‑ to 5‑tiller stage. Aim for temperatures between 65‑85 °F; this range maximizes herbicide uptake. If you notice later‑germinating seedlings, reapply after 4‑6 weeks, but only if the turf isn’t under drought stress or other environmental pressure. Always follow label directions for rates and safety, and avoid application during extreme heat or prolonged moisture deficits. By timing your treatments precisely, you’ll hit the weeds when they’re most vulnerable and protect the surrounding grass.

Soil pH Impact

Timing your spray is only half the battle; the soil’s pH can make or break quinclorac’s performance. You’ll find quinclorac works best in acidic soils, ideally a pH of 5.5‑7.0, where low pH boosts absorption and activity for sharper weed control. If your test shows a pH above 7.0, expect reduced efficacy and consider raising the rate to compensate, though results may still lag. Always test the soil before you mix the herbicide; a quick pH meter or lab analysis saves time and money. Adjusting lime applications or using acidifying amendments can shift the pH into the favorable range, ensuring the product lives up to its label claims. Keep the pH in check, and your quinclorac program will stay on target.

Rainfastness and Weather Considerations

Rainfastness is a key factor when you apply quinclorac, because the herbicide must stay on the foliage long enough to be absorbed before rain washes it away. Choose formulations that include absorption‑enhancing technologies; they cling better to leaves and keep working even after a light shower. If you expect heavy rain within a few hours, wait for a dry window of at least 4–6 hours to let the product bind. UV light breaks down quinclorac, so applying on bright, sunny afternoons can reduce potency—early morning or late afternoon mitigates this. Warm temperatures boost uptake, so schedule applications when daytime highs are moderate to high. Track forecasted rainfall intensity and timing; a brief drizzle is fine, but a downpour will wash off the herbicide and waste effort.

Dilution Ratio Accuracy

If you want quinclorac to work without damaging your turf, you must hit the exact dilution ratio the label recommends. Use a calibrated graduated cylinder or the product’s dedicated applicator; a precise tool eliminates guesswork. Check temperature, humidity, and soil moisture before mixing—these conditions can shift the ideal ratio. Over‑diluting weakens control, while under‑diluting risks turf burn, so equilibrium is paramount. Calibrate your sprayer, then verify coverage by measuring the treated area against the label’s per‑acre rate. Adjust flow rates if needed, and double‑check the mixture before each pass. By maintaining consistent, accurate dilution, you guarantee the quinclorac‑based herbicide performs as intended, keeping weeds at bay and your lawn healthy.

Safety and PPE Requirements

When you handle quinclorac, the first thing you must do is suit up with proper PPE—long sleeves, long pants, socks, shoes, and chemical‑resistant gloves—to keep the herbicide off your skin, eyes, and lungs. Follow label directions exactly; wear a face shield or goggles if the spray could aerosolize. Use a respirator rated for chemicals when working in windy conditions or confined spaces. Keep a wash station nearby and rinse any exposed area immediately. Prevent drift by calibrating nozzles and applying when the wind is below 5 mph; use barriers or low‑volume sprayers near water bodies. After finishing, wash hands, forearms, and face thoroughly, then store or dispose of empty containers according to local, state, and federal regulations. This protects you, non‑target plants, wildlife, and water sources.

Residual Control Duration

Typically, quinclorac‑based products can keep weeds at bay for up to 30 days, but the exact residual duration hinges on a few key variables. First, the application rate matters: higher rates generally extend control but may increase cost and risk of crop injury. Second, environmental conditions shape how long the herbicide stays active; warm, moist soils accelerate degradation, while cool, dry conditions preserve it. Third, weed species influence effectiveness—crabgrass and other grassy weeds respond especially well, often staying suppressed for weeks, whereas some broadleaf weeds may rebound sooner. Late‑season applications exploit this lingering activity, preventing fresh germination after you’ve treated the field. Balancing rate, timing, and local climate lets you maximize the residual benefit without over‑application.