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Q4 Plus Herbicide - 1 Quart - Seed Barn

Q4 Plus Herbicide - 1 Quart

$48.90

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

AK

Customer Reviews

Based on 6 reviews
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D
Donald Melcher
Always reliable

This is the 4th time ordering the Q4 herbicide and my order is always handled promptly. I have also recommended Seed Barn to many friends and they have had the same pleasant experience.

A
Albert Valenzuela
Great transaction

Product as described. Very good packaging. Delivered timely.

D
Donald Melcher
Only product that kills broadleaf and grassy weeds

Q4 is the best I found that kills both grassy and broadleaf weeds. Weeds have been terrible the past couple years so this product is a must.

j
jim rogers

Weather in San Antonio has been in the 90's. I applied the product one week ago and followed directions. A little disappointed so far, very little results. Maybe needs a little more time

This is the second bottle I have purchased from you and used both bottles.. I have a small yard. Another weed and hopefully good results.

Thank you,
Jim Rogers

Reviews in Other Languages

H
Harold Wood
SLOW

It took ten days to get it 😖

K
Karla Orr

Q4 Plus Herbicide - 1 Quart

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