10 Best Q4 Plus Turf Herbicide of 2025

Tested and Reviewed: Top 10 Q4 Plus Turf Herbicide deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

GORDON'S

SpeedZone EW Lawn Weed Killer

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Editor's bottom line:

“This q4 plus turf herbicide is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Controls 90+ listed weeds including white clover, dandelion, ground ivy, spurge, goosegrass* and nimblewill*
Fast-acting, cool-weather performance with visible effects within hours
Reseed in as little as 7 days
Rainfast in as little as 3 hours
Labeled for use on Kentucky bluegrass, perennial ryegrass, tall fescue, Bermudagrass, and zoysiagrass and others as listed

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Picked by 397 people today

9.5

BASF

BASF Drive XLR8 Crabgrass Killer for Lawn & Turf, Post Emergent Grassy & Broadleaf Weed Control, Active Ingredient Quinclorac, 30 Day Residual, Herbicide, Concentrate 64 Ounce

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Main Highlights

Water-Based Formulation: Experience the power of our unique water-based formulation that ensures superior control and faster plant uptake, delivering results you can see quickly
Extended Residual Control: Enjoy up to 30 days of residual control, keeping your turfgrass free from troublesome weeds for longer periods and reducing the need for frequent applications; Rainfast in less than an hour
Broad-Spectrum Weed Control: Effectively targets a wide range of weeds, including crabgrass, foxtail, kikuyu grass, signal grass, torpedo grass, and key broadleaves like bindweed, clover, dandelion, black medic, and horseweed
Versatile Application: Perfect for residential lawns, golf courses, commercial properties, and other non-residential turfgrass sites. It is labeled for use on both warm-season and cool-season turf types, ensuring adaptability to various environments; See label for proper mixing instructions
USE AS INTENDED: Read, understand and follow label safety and application instructions; Follow proper storage and disposal instructions; NY can only be applied as a spot application; Proper PPE required long sleeve shirt, long pants, socks and shoes, chemical resistant gloves; See label for environmental hazards; State restrictions may apply

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9.5

SPEED ZONE

PBI Gordon SpeedZone EW Broadleaf Herbicide for Turf -128oz Bottle

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Main Highlights

Not for Sale to: AR, CO, CA, CT, DC, IL, LA, MA, ME, MI, MN, MT, NE, NJ, NM, RI, SD, TX, WA, WI, WY, AK, MA
Fast Weed Control-Clover Control in as little as 1 week
Visible activity in hours
Effective, fast-acting cool-weather product

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9.2

Southern Ag

Southern Ag Amine 2,4-D WEED KILLER, 32oz - Quart

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Main Highlights

Low, economical use rate of 1 to 4 pints per acre
Controls many broadleaf weeds & woody plants
Use in turf, pastures, rangeland, ditch banks, fences

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9.0

GORDON'S

Gordon’s SpeedZone Lawn Weed Killer, 20 Ounces, 652400

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Main Highlights

Visible results in hours - Reseed in just two weeks
Covers from 14,000 to 18,000 square feet - perfect for large property owners
Rapid and effective weed control for common and troublesome weed species in turfgrass
Does not harm lawn grasses - Cool Weather Performance
RESTRICTED: This product can NOT be shipped to the following states: AK, DC, MA, NJ,VT.

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8.8

PBI / Gordon

TZONE SE Broadleaf Herbicide for Tough Weeds - 1 Quart

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Main Highlights

Active ingredient: Triclopyr, 2,4-D, Dicamba, & Sulfentrazone
Designed for residential, commercial, and golf sites
Yellow nutsedge suppression
Fast visual response to reduce call backs or complaints
Cool-weather weed control option (as low as 50°F)

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8.6

Select Source

Select Source Triad QC Select - 3-Way Herbicide with Quinclorac (Quart) | Controls Dandelion, Clover, Crabgrass, and Many Other Broadleaf and Grassy Weeds

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Main Highlights

3 ACTIVE INGREDIENTS: Combines 3 active ingredients (2,4-D, Dicamba, Quinclorac) to help eliminate hard to control weeds
USE SITES: residential and non-residential lawns and turf, athletic fields, roadsides, parks, golf turf (except tees, greens and collars)
POST-EMERGENT: Perfect late season clean up product for areas that didnt receive pre-emergent herbicide application in the spring
CRABGRASS CONTROL: Controls newly germinated 1- to 2-leaf crabgrass, to 1-tiller crabgrass and when crabgrass has matured to 5-tillers or greater
BROADLEAF WEED CONTROL: Presence of Quinclorac contributes to control of grassy weeds, is absorbed by the foliage and roots

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8.3

Hi-Yield

Hi-Yield (21416) 2,4-D Selective Weed Killer (1 gal)

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Main Highlights

This selective weed killer kills or controls many Broadleaf Weeds and plants susceptible to 2, 4-D.
Works on Dandelion, Arrowhead, Buckhorn, Aster, Goatsbeard and more. See label for full list.
Pairs great with Hi-Yield Spreader Sticker (31063) for increased effectiveness.
Product can be used on Lawns, Ponds, Drainage Ditches, Pastures and Rangelands.
See product label for application rates and instruction

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8.1

Southern Ag

Southern Ag Surfactant for Herbicides Non-Ionic, 16oz, 1 Pint

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Main Highlights

Use with most pesticides to improve results

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8.1

Southern Ag

Southern Ag Surfactant for Herbicides Non-Ionic, 128oz - 1 Gallon

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Main Highlights

A wetting agent that increase coverage & penetration of any herbicide
CONTAINS: 80% non-ionic Surfactant.
USE: With almost all herbicide sprays including Trimec, Atrazine, Brush Killer and 2, 4-D Amine
FOR: Reducing the surface tension of water to insure more uniform coverage and penetration of weed killers.
RATE: + Tsp. per gallon of water (1 pt. per 100 gallons)

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Our Best Overall Choice

Best Choice

9.7

GORDON'S

SpeedZone EW Lawn Weed Killer

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Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Controls 90+ listed weeds including white clover, dandelion, ground ivy, spurge, goosegrass* and nimblewill*
Fast-acting, cool-weather performance with visible effects within hours
Reseed in as little as 7 days
Rainfast in as little as 3 hours
Labeled for use on Kentucky bluegrass, perennial ryegrass, tall fescue, Bermudagrass, and zoysiagrass and others as listed

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