SpeedZone Lawn Weed Killer Concentrate 20 oz.

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4.5 out of 5 stars Rating: 4.3

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SpeedZone Lawn Weed Killer Concentrate 20 oz. bottle (20 oz)

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SpeedZone Lawn Weed Killer Concentrate 20 oz.

SpeedZone Lawn Weed Killer Concentrate contains the same percentages of active ingredient as the larger SpeedZone Red gallon size and 2.5 gallon size.

Speedzone is an excellent selective post-emergent herbicide with superior cool-weather performance and can be used on established cool and warm-season grasses for common and troublesome weeds in turf-grass such as spurge, pennywort, dandelion, and white clover. Evidence of injury can be seen within hours of application, and plants can die in 7 to 14 days. Safe to apply on Kentucky bluegrass, annual bluegrass, perennial ryegrass, tall fescue, red or fineleaf fescue, creeping and colonial bentgrass (excluding golf greens), and mixtures of cool-season species in noncropland (Kentucky bluegrass, tall fescue, smooth bromegrass, and orchardgrass). Uses include institutional, ornamental, and residential sites, sod production, and noncropland (rights-of-way, roadsides, medians, airports, and military installations). Spray solution must be above pH 5 and below pH 8.




HOW TO APPLY:

FOR ORTHO HOSE-END SPRAYERS FOR COOL-SEASON TURFGRASS

  • For Ortho Dial’N Spray Hose-End Sprayer or Gilmour Dial-A-Mix Lawn and Garden Sprayer:
  • SET THE DIAL: Set dial on 3 tsp. (1 Tbs.) per gallon.
  • FILL: Determine (Measure) the lawn area to be sprayed. Calculate square feet by multiplying length by width. The application rate for this product is 1.4 fl. oz. per 1,000 sq. ft. of lawn. Add an adequate amount of herbicide to the spray bottle to treat the total lawn area.
  • SPRAY: Spray evenly over the lawn.

Example: Measure 4.0 fl. oz. (8 Tbs.) into sprayer jar. Do not add water. Set dial on 3 teaspoons (tsp.) and spray uniformly on 3,000 sq. ft. of lawn. The maximum application rate to turf is 0.8 pound 2,4-D acid equivalent per acre per application per site. The maximum number of broadcast applications per treatment site is 2 per year.

SPOT TREATMENTS FOR COOL-SEASON TURFGRASS

  • For Hand-Operated Sprayers: For cool-season turfgrass, mix 1.0 fl. oz. of SPEED-ZONE Lawn Weed Killer per 1.0 gallon of water for treatment of approximately 1,000 sq. ft. of turfgrass. Apply any time the emerged broadleaf weeds are susceptible.

Caution: Do not apply SpeedZone Herbicide to bentgrass greens, carpetgrass, dichondra, legumes, and lawns with desirable clovers. Do not apply to new grass seedlings until after the second mowing. Delay applying SpeedZone for 3 to 4 wk on newly sodded, sprigged, or plugged areas. Do not irrigate turfgrass within 24 hr after application. Delay mowing 1 to 2 days before and after application. Treated areas may be reseeded 2 wk after application. Do not apply when air exceeds 90°F. Do not apply to any body of water, wetlands, irrigation ditch banks, or shorelines.

Rating Snapshot

5 stars   25
4 stars   5
3 stars   2
2 stars   1
1 star   3

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Average Customer Rating
4.5 out of 5 stars (36)

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Most Helpful Customer Reviews
  • 31 of 32 people found this review helpful:

    5 of 5 stars  Clovers and Creeping Charlie - gone
    By C. in Chicago, IL on 07/26/2011
    Verified Purchase

    I have tried just about everything to knock out Creeping Charlie in my lawn. Speedzone did it with ease. The results were noticed within days of the first application. It is an amazing product.

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  • 27 of 29 people found this review helpful:

    5 of 5 stars  Well worth the money!
    By Travis in Lenoir NC on 05/06/2011

    Used and most of the weeds in my lawn were dead the next evening. It took just a couple days on the clover, but it's dead too!!!! Much better than round up and other brands I've used in the past that had little or not effect. I would highly recommend this to anyone wanting to get rid of weeds!!

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  • 25 of 25 people found this review helpful:

    5 of 5 stars  Great Stuff
    By Mark in Verona, Missouri on 05/08/2011
    Verified Purchase

    Speed zone, I used a 2 gallon hand sprayer. Within the first few days a big notice that the weeds in the yard were dying. One bottle will do 1.5 acres.

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  • 18 of 18 people found this review helpful:

    5 of 5 stars  Speedzone Lawn Weed Killer
    By Steve in North Branch, MI on 04/02/2012
    Verified Purchase

    This is the only product I have ever used that is effective in low temperatures. It gives me the ability to kill weeds when they first appear in the Spring instead of having to wait for warm weather to be effective

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  • 12 of 12 people found this review helpful:

    5 of 5 stars  Good product
    By Grey in Spokane, WA on 05/23/2012

    Great product for treating majority of broadleaf weeds and great amount of product if you don't need 1 gallon size. I blanket sprayed at 1.6 oz per 1000 sq. ft. I could see results next day. On the 4th day black medic, clover, speedwell, dandelion are all curled up and brown. Will see the end result and if there are any survivors in 2 weeks.

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Most Recent Customer Reviews
  • 5 of 5 stars  Great Broadleaf killer
    By Liston in Mississippi on 07/25/2016
    Verified Purchase

    This is the best product (for the price) I have found for getting rid of broadleaf weeds in common bermuda. It takes care of spurge and buttonweed with no problem, but make sure you use a surfactant and a pre-emerge like generic barricade. The pre-emerge will prevent the seeds on the plant from germinating and returning (I've learned this after spot spraying all summer long). You can expect results in a day or two if used properly.

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  • 5 of 5 stars  SLOW BUT SURE
    By Greg in fort wayne indiana on 07/16/2016

    Give this about 2 weeks to do a thorough kill on "stubborn" weeds. Use as directed. No need to strengthen mixture_

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  • 4 of 5 stars  Speedzone Lawn Weed Killer Concentrate
    By Gary in Trout Lake, WA on 06/29/2016

    This product definitely nuked the vast numbers of dandelions that were growing large and vigorously in my lawn. Within a week every one I had spot treated (precisely per the instructions) was black and shriveling away. Yay! But the blades of grass near the dandelions became yellow, so now the grass is green with plenty of yellow areas. Not as bad as Roundup, but still yellow. In fairness to the Speedzone product, the grass itself was not thick and green and healthy, but thin blades of fescue that were dryish no matter how much they were watered. The soil is very dry as it drains instantly, being volcanic soil. I wrote this to alert others what result they may get if their grass is weak or dry. Speedzone is powerful.

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  • 5 of 5 stars  Pretty effective weed killer
    By Carl in wexford on 05/31/2016

    I bought this especially for wild violets which are invading parts of my lawn,particularly near where I borders a wooded area.. I have tried many others,ncluding BATTLESHIP with poor results Based on my first application of SPEED ZONE, I may have found a friend in my quesr..the wild violets are showing severe damage already...I will try another application in the fall and again next spring. It also seems to toxic to dandelion and some unnamed lawn vines and clover

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  • 5 of 5 stars  Best on the market
    By Paul in North Platte,Ne. on 05/29/2016

    I have used this for about 10 years. I started using it when my lawn was new with no danger to my grass.The popular brands don't work nearly as well.I highly recommend it to anyone.

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  • 5 of 5 stars  Best on the market
    By Paul in North Platte,Ne. on 05/29/2016

    I have used this for about 10 years. I started using it when my lawn was new with no danger to my grass.The popular brands don't work nearly as well.I highly recommend it to anyone.

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  • 5 of 5 stars  Weed Killer
    By Jerome in Wetumpka,Alabama on 04/26/2016

    This stuff REALLY works, I found its best when spraying the whole yard to use half of the recommend amount on your yard. It will turn some of the Bermuda grass a little yellow. After it rains a couple of time the grass will tun back to normal.

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  • 4 of 5 stars  Better than most, but not all
    By Randolph in Virginia on 04/25/2016

    I got it for dandelions and it hands down takes care of what is visible in my lawn, but within a few days there are more dandelions sprouting up. Could just be that my neighbors are also infested with them, and don't seem to attempt to control them. I just applied a second spot spraying and it seems to do the job every time. Doesn't seem to work too well on clover. I did mix with a Horticultural Spray Oil as a sticker, but the clover hasn't died off yet after the second spraying. If the clover was as dead as the dandelions there would have been another star.

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  • 3 of 5 stars  Worked a little too well
    By Bryan in Ohio on 04/09/2016
    Verified Purchase

    Applied this product to my lawn using a hose-end sprayer. Mixed and applied per the instructions. It took a few days, but I've seen a noticeable change in the few dandelions and clovers that had popped. All are shriveling and dying. One thing I did notice though is that the product killed off some of my grass as well. At first just the ends were turning brown, but now entire patches of grass have died. My yard is a fescue/blue grass mix that is supposed to be safe from this product. Probably would not buy again due to the damage to the grass. Three stars because it did a great job with the weeds, but also did a number on my grass.

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  • 1 of 1 people found this review helpful:

    5 of 5 stars  SpeedZone Lawn Weed Killer
    By Jln in Sacramento on 09/28/2015

    After many years of searching for the ultimate Weed killer. I finally found the one. My lawn was infested with clover, dandelion and spurge. I just used my knapsack sprayer that I filled with water and a splash of Speed zone. I sprayed my Lawn and saw immediate results. After a few days, the weeds died leaving my lawn healthy again. I had to repeat the process on the clover a few weeks later in the front lawn. The spurge however never came back. Just an amazing product. Just make sure you protect your skin and wear a mask as it is a toxic chemical. Once again,Speed zone a.k.a. the Ultimate Weed killer!

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Most Helpful Q&A's

06/05/2011 Connie

QDoes SpeedZone Lawn Weed Killer kill crab grass?

ASpeedzone Lawn Weed Killer is not labeled to kill crab grass. We do however have a full line of products that are labeled for this use : Crabgrass Control Products.

22 of 25 people found this answer helpful.
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03/19/2015 Hunter from Atlanta

QIs SpeedZone Lawn Weed Killer Concentrate safe for Zoysia grass?
I am trying to kill a lot of purple deadnettle in my zoysia.

AYes, Speedzone Lawn Weed Killer Concentrate is safe to use on zoysia grass. You will use 1.1 fl. oz. per 1000 sq. ft.

8 of 8 people found this answer helpful.
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06/11/2014 Michael from Southampton, Ny

QHow long after application of SpeedZone can my dog return to the yard?

AYour dog can return to the treated area or areas after the SpeedZone Weed Killer has completely dried.

6 of 7 people found this answer helpful.
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09/14/2015 Aaron from Wi

QHow soon can Speed Zone be re-applied?
I sprayed the yard about 10 days ago and I don't see any signs that the creeping Charlie is dying. I don't think I used enough product when I mixed it.

A

The SpeedZone Lawn Weed Killer Concentrate may be reapplied at 2-6 week intervals for more mature weeds, dense infestations, and for adverse environmental conditions. Make sure that you have measured the lawn area to be sprayed. Once you have the square footage of the treatment area you may then mix the labeled amount of SpeedZone (depends on your grass type) with water. Please note that the amount of water that is used is not important, what is most important is that you use the labeled amount of SpeedZone over the area you are treating.

How to Calibrate Sprayers

1. Mark an area of 1,000 square feet (i.e. 20 by 50 feet, or 25 by 40 feet).

2. Place the sprayer on a level surface and add water noting the final level of water in the

spray tank.

3. Spray the marked area with a sufficient volume of water to provide uniform coverage.

Refill the sprayer to the same level as before measuring the amount of water added. The

measured water added to the sprayer is the volume needed to cover 1,000 square feet.

4. Determine the application rate (fl oz/1000 sq ft) - 1.1 oz per 1,000 sq ft up to 1.5 oz per 1,000 sq ft (depends on grass type)

5. To each volume of water used, as measured in step 3, add the amount of SpeedZone as

determined in step 4.

Example:

If the sprayer used 2 gallons of water to cover 1,000 square feet and the desired

application rate of SpeedZone is 1.4 oz/1,000 square feet, then you would add 1.4 ounces of SpeedZone to every 2 gallons of water to be used.

2 of 2 people found this answer helpful.
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04/08/2015 Autumn from Oklahoma

QDoes Speedzone weed killer kill poa annua?
I have Kentucky bluegrass and I'm having problems controlling poa annua. Is this a good product to use or what Is a good product that you would recommend? Thanks!

ANo, Speedzone Concentrate is not labeled to kill poa annua. We would recommend using Blindside Herbicide. It is safe to use on your KBG lawn and is labeled to surpress poa annua. You will use 0.075-0.15 per 1000 square feet. You will likely have to do a subsequent treatment.

2 of 2 people found this answer helpful.
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Most Recent Customer Questions

10/12/2015 Randy from Cooper City, Fl

QCan I use SpeedZone Lawn Weed Killer Concentrate to control weeds in St. Augustine grass?

A

Speedzone Lawn and Weed Killer is not labeled for use on St. Augustine and most likely would cause damage if used on St. Augustine lawns. Speedzone Southern is labeled for use on St. Augustine grass.†According to the Speedzone Southern product label: The turf tolerance to this product may vary and temporary turf grass yellowing may occur on St. Augustine.†Please take a few moments to read through the product label completely for full instructions and other precautions.

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04/28/2015 Steve from Yonkers, Ny

QDoes SpeedZone Killer kill wild violets?

AYes, SpeedZone Lawn Weed Killer Concentrate is labeled for wild violets.  Please check the product label to be sure that it is safe to use on the type of grass in the area that needs to be treated.  

2 of 2 people found this answer helpful.
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04/16/2015 Reg from Washington, Nc

QI have a violet/dollar weed problem. Some of the grass is fescue, some is St. Augustine.
The lawn gets partial shade in the pm.

ASpeedZone Lawn Weed Killer Concentrate - 20 oz. cannot be used on St. Augustine grass.  Speedzone Southern, you can use.

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04/15/2015 Ron from Cleveland, Ohio

QWhat can I use to kill wild garlic and the underground bulbs?
I have a hill in my back yard and it is covered in wild garlic. It is now growing in the lawn and has moved tot he front lawn. How do I kill this stuff? If I have to kill the grass also, that is not a problem.

ASpeedZone covers wild onion as well as hundreds of other broadleaf weeds infesting your lawn. Refer to the product label for instructions on dilutions for your lawn type.

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06/27/2014 Chris from Levittown, Pa

QDoes SpeedZone Lawn Weed Killer kill PA Smartweed?

ASpeedZone Lawn Weed Killer Concentrate is labeled for and will treat for PA Smartweed. Please reveiw the product label to make sure your turf grass is tolerant of this product.

1 of 1 people found this answer helpful.
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05/20/2014 Nathan from San Diego , Ca

QI am trying to control broad leaf weeds in uc verde buffalo grass. The plugs were planted about 2 months ago.

AAre you asking if you can use the SpeedZone on the grass or what type of information are you looking for?  We apologize but we are unclear on what you are looking for.

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05/09/2014 James from East Moline, Illinois

QHow safe is this product around trees and shrubs?
I have 4+ acres to treat and many trees, some ornamental and specimen hybrid conifers. There is a lot of lawn area however needing treatment.

ASpeedZone Lawn Weed Killer Concentrate is reasonably safe around trees and shrubs. However, you should be careful not to get any overspray onto any desirable plants. trees, or shrubs. If you are treating your lawn that is close to desirables then it would be recommended to use a shield of sorts to prevent drift from getting on your desirables.

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04/28/2014 Terry from Iowa

QWill SpeedZone Lawn Weed Killer Concentrate kill purple dead nettle? I'm in SW Ia.

ASpeedZone Lawn Weed Killer Concentrate is labeled to kill Dead Nettle. Please refer to the product label for application.

2 of 2 people found this answer helpful.
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04/27/2014 Lisa from Rochester, Ny

QIs SpeedZone Lawn Weed Killer Concentrate safe for flower beds?

ASpeedZone Lawn Weed Killer Concentrate is not recommended to be used over flower beds. Grass Out Max is labeled to be applied in ornamental flower beds. Please refer to the product label for proper application.

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03/25/2014 Stan from Mesa, Arizona

QI live in Mesa, Arizona, and have tiffgreen. Will Speedzone kill my lawn?
4 weeks ago I spot treated with Spurge Power and Spots are still yellow and no signs of grass coming back.

ASpeedZone Lawn Weed Killer Concentrate is tolerable on most common and hybrid bermudagrass such as Tifgrass. Temporary turfgrass yellowing may occur on certain varieties (F1 hybrids) of hybrid bermudagrass. To reduce risk of lawn injury, avoid spraying drought stressed lawns or when temperatures are above 85°F. Please read the product label for complete mixing and use instruction prior to using.

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