Name: Q4 Plus Broadleaf Weed Herbicide (Controls Nutsedge, Foxtail, Crabgrass) - 1 Gallon
Brand: PBI Gordons Corp
SKU: Q4-Plus-Gallon
Price: 164.95 USD
Availability: InStock

Q4 Plus Broadleaf Weed Herbicide (Controls Nutsedge, Foxtail, Crabgrass) - 1 Gallon

$164.95

Description
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Reviews

Description

Q4 Turf Herbicide for Grassy & Broadleaf weeds

Q4 Plus Turf Herbicide is a patented product containing four active ingredients, Quinclorac, Sulfentrazone, 2,4-D, and Dicamba, for control of a broad spectrum of both grassy and broadleaf weeds through multiple modes of action in established cool-season and bermudagrass turf areas. This combination offers the professional turf manager more knockout power and the speed associated with the Gordons line of Proform products. Weeds controlled include yellow nutsedge, crabgrass, foxtail, and many more. Q4 Plus is highly selective on coolseason turf grasses. Use sites include lawns, golf courses, cemeteries, public parks, sports turf, sod farms and other sites. Labeled species include bluegrasses, perennial and annual ryegrasses, fescues and bermudagrass. Q4 Plus is rain-fast in 6 hours and has a one week reseeding interval. Q4 Plus has dramatically less discoloration on cool-season turf compared to MSMA. Call-backs are a thing of the past when your clients and members can see fast results, usually within 24 to 48 hours.

Post-emergence control of both grassy and broadleaf weeds
Crabgrass and foxtail control
Extra knockout power on grassy weeds
Contains 0.75 lbs. ai/acre of quinclorac
Yellow nutsedge control
Fast visual response
Rapid activity and death of broadleaf weeds
Wide window of application for broadleaf weeds
Suitable for applications up to 90F
Labeling includes use on bermudagrass

Rate of use: Mix between 2.6 to 3 fl.oz. with 1 gallon of water for treatment of approximately 1,000 sq. ft. of turfgrass.

Active Ingredients:

Quinclorac - 5.69%
Sulfentrazone - 0.69%
2,4-D, dimethylamine salt - 12.02%
Dicamba, dimethylamine salt - 1.38%

Product Label

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Reviews

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Based on 15 reviews Average Rating 5.00 stars out of 5

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Kenneth Kaas K. K. Kenneth K.
24-07-2025

Great service

Quick delivery
Robert Horn R. H. Robert H.
12-07-2025

Quick and great packaging

First time ordering through this company and I am impressed with the effort to keep the liquids contained. Each and all of the three items I ordered were in sealed bags individually. Great job
WILLIAM TALIAFERRO W. T. WILLIAM T.
25-06-2025

Thank you seed world

Thanks seed world for the great service…received my shipment in good time..this Q-4 does a good job with my crabgrass…with the dicamba component…
Carl Marshall C. M. Carl M.
14-06-2025

Shipping felay

I don’t think it got shipped. Nine days later and not here.
Russell Horn R. H. Russell H.
25-05-2025

Q4 plus

I have used this for several years and get the best results with this product
David Reeve D. R. David R.
29-08-2024

Quick on time delivery!

Returning customer !
alan antoniuk A. A. alan a.
22-08-2024

Q4 plus

Great product, company very good to deal with, will purchase again, thank you
Rosen!und R. Rosen!und
08-07-2023

Poor packaging

Q4 is a very good product. When package was opened, the container had been leaking.
Michael P Kirby M. P. K. Michael P. K.
21-05-2023

Q4 from Seed World

Excellent product and shipping from Seed World
Dexter Clemons D. C. Dexter C.
28-04-2023

Yard Savior

Been using this product for about two years now and has been an absolute savior in controlling weeds which propagate from my neighbor's yard into mine. This stuff eliminates anything that isn't considered grass (especially crabgrass). My yard remains a lustrous green free of weeds all year long. Great product and will continue to purchase.
Julie Reese J. R. Julie R.
07-04-2023

Q4 from Seed World - Best Value on the Internet

Q4 is a great selective weed killer that I use on my fescue grass in East TN. Seed world offers the best price so I order from them. They ship fast and have excellent customer service. Their website is excellent and I want to research ordering seeds from them as well. Thanks to Seed World!
Johnie Hodge J. H. Johnie H.
30-03-2023

Works Fast!

Can see a change overnight, but having used this product a few times now, it does not go as far as it says on the bottle. Maybe double the strength for use on cool season grass lawns.
Nelson Austin N. A. Nelson A.
20-02-2023

Q4 herbicide

Fast shipping
Dirk Bron D. B. Dirk B.
07-02-2023

Q4 plus

Great stuff, fast shipping and lowest price around. Will buy again