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Q4 Plus Turf Herbicide

Walt Cline - Pest Control Professional Pro Tip: "Q 4 Plus controls crabgrass AND broadleaf weeds in many different lawn grasses... but it's not for use on St Augustine or Centipede grass. For more information on crabgrass click here."

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Q4 Plus Turf Herbicide
23 Review(s)

Availability: In stock

Prop65 California Proposition 65 WARNING

Q4 Plus Turf Herbicide-Gallon

Q4 Plus Turf Herbicide- QT

  • Buy 2 for $45.50 each and save 3%
Q4 Plus Turf Herbicide-Gallon

Q4 Plus Turf Herbicide - Gallon

  • Buy 2 for $121.50 each and save 3%
Q4 Plus Turf Herbicide-Gallon

Q4 Plus Turf Herbicide - 2.5 Gallon

  • Buy 2 for $298.50 each and save 2%

Customer Reviews 10 item(s)

1-10 of 23

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Best Product I have used
This is the best product I have ever used on my zoysia lawn in northern Florida. Always good service from DIY.
Review by Florida Gent / (Posted on 6/20/2020)
Excellent product
This the second year using product. Within a few days all weeds were killed. A second treatment will need to be applied because I have some weeds starting to sprout up again.
Review by WildBill / (Posted on 5/5/2020)
Great product, quick acting.
This product is amazing! All the weeds that were sprayed were dead within days of application. This quick acting herbicide significantly helped us during the fall growing season. I would highly recommend!
Review by MP / (Posted on 10/1/2019)
Worked on pennywort and more
By early fall large areas of the lawn were taken over by pennywort and less by clover. Q4 Plus took about 10 days for results, but was very effective when mixed on the higher side of the recommended range. It also took care of small patches of crab grass and nutsedge. It did not harm the grass, which is already coming back in the areas where the pennywort and clover had taken over. Happier than I had expected to be with the results; was starting to think it wasn't effective when I didn't see much difference after the first 5 days. Used a tank sprayer in part and a hose sprayer for the larger areas.
Review by Tom D / (Posted on 10/18/2018)
Met expectations
Worked very. Got rid of tough violets.
Review by Michele / (Posted on 10/4/2018)
Bulletproof Crabgrass and Clover Killer
None of the big box store products would control a major breakout of crabgrass, clover, carpetweed. We have a great lawn and these weeds were spreading fast. Within 24 hours the crabgrass and other weeds were dead and stayed dead. In 48 hours all the weeds were shriveled and gone.

I used a one gallon pump sprayer to apply the product. I thoroughly sprayed the infested area and spot sprayed any other weeds in other parts of my yard. A little product goes a long way. Our lawn is bermudagrass and there was little to no discoloration or damage to the lawn.
Review by atrain68 / (Posted on 10/3/2018)
My Goose is cooked!!
My main focus for this purchase was the post emergent eradication of Goose Grass at all tiller stages. After one treatment I saw significant elimination of 1-3 tiller stages and severe injury to 4+ after 2 weeks. I retreated the 4+ areas rather than wait to see if they eventually would die. This is the first product I have found with this level of success on Goose Grass. I would highly recommend it.
Review by Axle Bender / (Posted on 10/3/2017)
Finally found a product that works. RU just wasn't working on some tough deep rooted weeds. This does Great price too.
Looked For many years for weeds RU wouldn't kill. Finally found Q4!
Review by RW75 / (Posted on 9/25/2017)
2-4-D on steroids
Worked very well as advertised. It's a step up from just 2-4-D alone. My results started to show in 24 hours. It's been a couple of weeks now and I've seen more unwanted weeds turning color. Slight stress shows on lawn, maybe a little higher than just 2-4-D so follow application instructions carefully.
Review by Anthony / (Posted on 8/28/2017)
Killed most weeds and broadleaf .
Love this stuff , am ordering more !
Review by CW / (Posted on 5/26/2017)

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