Rating:
97% of 100

Starting at $48.85

SKU
Q4Turf
Q4 Plus Turf Herbicide has four active ingredients to control yellow nutsedge, crabgrass, foxtail, certain grassy weeds, and other troublesome broadleaf weeds in cool-season turf areas.
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Customer Reviews

Items 1 to 10 of 23 total

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  1. Best Product I have used
    Quality
    100%
    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

  2. Excellent product
    Quality
    100%
    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

  3. Great product, quick acting.
    Quality
    100%
    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

  4. Worked on pennywort and more
    Quality
    100%
    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

  5. Met expectations
    Quality
    100%
    Worked very. Got rid of tough violets.

    Review by Michele

    Posted on

  6. Bulletproof Crabgrass and Clover Killer
    Quality
    100%
    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

  7. My Goose is cooked!!
    Quality
    100%
    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

  8. Finally found a product that works. RU just wasn't working on some tough deep rooted weeds. This does Great price too.
    Quality
    100%
    Looked For many years for weeds RU wouldn't kill. Finally found Q4!

    Review by RW75

    Posted on

  9. 2-4-D on steroids
    Quality
    80%
    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

  10. Killed most weeds and broadleaf .
    Quality
    100%
    Love this stuff , am ordering more !

    Review by CW

    Posted on

Items 1 to 10 of 23 total

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