- Convenient, no-mix formula
- Use anywhere from vegetable gardens to driveway cracks
- Guaranteed to kill weeds to the root
- See More Details
Frequently Bought Together
Price:
$698
Product Overview
Kill the toughest weeds and grasses down to the root with Roundup Ready-To-Use Weed & Grass Killer III! The formula is ideal for use in and around vegetable gardens, flower beds, tree rings, and mulched beds, as well as on cracks in driveways, walkways, and patios. This convenient, no-mix formula is rainproof in just ten minutes—AND you get visible results in 3 hours. Kill weeds faster with Roundup.
- Kills the toughest weeds and grasses to the root.
- Convenient, no-mix formula
- Covers 56 sq. ft.
- Use in and around vegetable gardens, flower beds, tree rings and mulched beds, as well as on cracks in driveways, walkways and patios
- Rainproof in 10 minutes
- Visible results in 3 hours
Info & Guides
Product Overview
- Convenient, no-mix formula
- Use anywhere from vegetable gardens to driveway cracks
- Guaranteed to kill weeds to the root
Compare Similar Weed & Grass Killer
|  |  |  | |
| Brand | Roundup | Spectracide | Roundup | Roundup |
| Name | 24 oz. Ready-to-Use Weed and Grass Killer | Weed and Grass Killer 128 oz. Ready-to-Use Sprayer | Ready-to-Use 1 Gal. Plus Weed and Grass Killer | 1.33 Gal. Ready-to-Use Weed and Grass Killer Plus Comfort Wand |
| Price | $698 | $956 | $1498 | $2798 |
| Ratings | (3690) | (735) | (3706) | (1518) |
| Area of Use | Driveway,Garden,Landscape Bed,Patio | Driveway,Landscape Bed,Patio | Driveway,Garden,Landscape Bed,Patio | Driveway,Garden,Landscape Bed,Patio |
| Concentrated or Ready to Use | Ready to use | Ready to use | Ready to use | Ready to use |
| Application Type | Spray | Spray | Spray | Spray |
| Weed Type | Annual Bluegrass,Bahia Grass,Bermuda Grass,Bindweed,Black Medic,Broadleaf Plantain,Bur Clover,Canada Thistle,Crabgrass,Creeping Charlie,Dandelion,Dog Fennel,False Dandelion,Florida Pusley,Henbit,Knotweed,Lambsquarters,Mallow,Mouse-Ear Chickweed,Nimblewill,Orchardgrass,Oxalis,Pennywort,Prostrate Spurge,Puncture Vine,Quackgrass,Ragweed,Sandspur,Shepards Purse,Sow Thistle,Spotted Spurge,Tall Fescue,Torpedograss,White Dutch Clover,Wild Morning Glory,Zoysia Grass | Annual Bluegrass,Annual Ryegrass,Bahia Grass,Bamboo,Barnyardgrass,Beggarweed,Bermuda Grass,Bindweed,Bitter Cress,Black Medic,Broadleaf Plantain,Broadleaf Signal Grass,Buckhorn Plantain,Bulbous Buttercup,Bull Thistle,Bur Clover,Burweed,Canada Thistle,Cattails,Centipede Grass,Chamberbitter,Chicory,Cinquefoil,Clover,Cocklebur,Common Burdock,Common Chickweed,Crabgrass,Creeping Charlie,Dallisgrass,Dandelion,Day Flower,Dead Nettle,Dichondra,Dog Fennel,Dollarweed Lawn Pennywort,English Lawn Daisy,False Dandelion,Field Bindweed,Florida Betony,Florida Pusley,Foxtails,Garlic Mustard,Goatshead,Goosegrass,Hawkweed,Heal-All,Henbit,Horsetail,Horseweed,Ironweed,Kikuyu Grass,Knapweed,Knotweed,Kudzu,Lambsquarters,Lespedeza,Mallow,Marestail,Matchweed,Milkweed,Moneywort,Morning Glory,Mouse-Ear Chickweed,Mugwort,Multiflora Rose,Mustard,Narrowleaf Plantain,Nimblewill,Nutsedge,Orchardgrass,Oxalis,Pennywort,Pigweed,Plantain,Poison Hemlock,Poison Ivy,Poison Oak,Poison Sumac,Pokeweed,Prostrate Spurge,Puncture Vine,Quackgrass,Ragweed,Red Clover,Red Sorrel,Russian Thistle,Sandspur,Shepards Purse,Smartweed,Sow Thistle,Speedwell,Spotted Spurge,Spurge,Spurweed,St. Johns Wort,Stinging Nettle,Tall Fescue,Thistle,Torpedograss,Trumpet Creeper,Virginia Buttonweed,Virginia Creeper,White Dutch Clover,Wild Carrot,Wild Garlic,Wild Grape,Wild Morning Glory,Wild Onion,Wild Rose,Wild Strawberry,Wild Violet,Wood Sorrel,Yellow Nutgrass,Zoysia Grass | Annual Bluegrass,Bahia Grass,Bermuda Grass,Bindweed,Black Medic,Broadleaf Plantain,Bur Clover,Canada Thistle,Crabgrass,Creeping Charlie,Dandelion,Dog Fennel,False Dandelion,Florida Pusley,Henbit,Knotweed,Lambsquarters,Mallow,Mouse-Ear Chickweed,Nimblewill,Orchardgrass,Oxalis,Pennywort,Prostrate Spurge,Puncture Vine,Quackgrass,Ragweed,Sandspur,Shepards Purse,Sow Thistle,Spotted Spurge,Tall Fescue,Torpedograss,White Dutch Clover,Wild Morning Glory,Zoysia Grass | Annual Bluegrass,Bahia Grass,Bermuda Grass,Bindweed,Black Medic,Broadleaf Plantain,Bur Clover,Canada Thistle,Crabgrass,Creeping Charlie,Dandelion,Dog Fennel,False Dandelion,Florida Pusley,Henbit,Knotweed,Lambsquarters,Mallow,Mouse-Ear Chickweed,Nimblewill,Orchardgrass,Oxalis,Pennywort,Prostrate Spurge,Puncture Vine,Quackgrass,Ragweed,Sandspur,Shepards Purse,Sow Thistle,Spotted Spurge,Tall Fescue,Torpedograss,White Dutch Clover,Wild Morning Glory,Zoysia Grass |
| Extended Control | Non-Extended Control | Non-Extended Control | No | No |
| Organic | Non-Organic | Non-Organic | Non-Organic | Non-Organic |
| Emergent Type | Post-Emergent | Post-Emergent | Post-Emergent | Post-Emergent |
| View Product | View Product | View Product | View Product |
Compare Similar Weed & Grass Killer
| | | | |
| Brand | Roundup | Spectracide | Roundup | Roundup |
| Name | 24 oz. Ready-to-Use Weed and Grass Killer | Weed and Grass Killer 128 oz. Ready-to-Use Sprayer | Ready-to-Use 1 Gal. Plus Weed and Grass Killer | 1.33 Gal. Ready-to-Use Weed and Grass Killer Plus Comfort Wand |
| Price | $698 | $956 | $1498 | $2798 |
| Ratings | (3690) | (735) | (3706) | (1518) |
| Area of Use | ||||
| Concentrated or Ready to Use | ||||
| Application Type | ||||
| Weed Type | ||||
| Extended Control | ||||
| Organic | ||||
| Emergent Type | ||||
| View Product | View Product | View Product | View Product |
Specifications
Dimensions
Container Size (oz.)
24
Coverage Area (sq. ft)
56
Product Depth (in.)
2.19
Product Height (in.)
10.75
Product Width (in.)
4.75
Details
Application Method
Ready-To Use
Application Type
Spray
Area of Use
Driveway,Garden,Landscape Bed,Patio
Compatible Grass Type
All Purpose
Concentrated or Ready to Use
Ready to use
Contact or systemic
Contact and Systemic
Container type
Bottle
Emergent Type
Post-Emergent
Equivalent ready to use amount
24 oz
Extended Control
Non-Extended Control
Features
Kills Common Weeds
Form
Liquid
Indoor/Outdoor
Outdoor
Organic
Non-Organic
Pack Size
12
Primary Active Ingredient
Glyphosate
Returnable
180-Day
Safe for Edibles
No
Spray Application Type
Trigger
Weed Type
Annual Bluegrass,Bahia Grass,Bermuda Grass,Bindweed,Black Medic,Broadleaf Plantain,Bur Clover,Canada Thistle,Crabgrass,Creeping Charlie,Dandelion,Dog Fennel,False Dandelion,Florida Pusley,Henbit,Knotweed,Lambsquarters,Mallow,Mouse-Ear Chickweed,Nimblewill,Orchardgrass,Oxalis,Pennywort,Prostrate Spurge,Puncture Vine,Quackgrass,Ragweed,Sandspur,Shepards Purse,Sow Thistle,Spotted Spurge,Tall Fescue,Torpedograss,White Dutch Clover,Wild Morning Glory,Zoysia Grass
Questions & Answers
89Questions40Answers
will it stop palms from germinating
Asked by chucky January 22, 20211
AnswerThank you for your question regarding Roundup Ready-To-Use Weed and Grass Killer III. Roundup Products are non-selective weed killer which can injure or kill all vegetation contacted including ornamental plants. Spray when the air is still and do not get spray on green parts of desirable plants. Please contact us at 866-324-2647 if there is anything else that we can help you with.
Does this product kill mushrooms?
Asked by mushroomkiller October 26, 20205
AnswersNot sure, however very confident it will
I'm having a tough time killing Bermudagrass. If I were to just go ahead and spray both it and m...
Asked by Dallas August 26, 20203
AnswersThank you for your question regarding Roundup Weed and Grass Killer Concentrate Plus. While this product will kill weeds and grass to the root within 7 days, it will not kill weed seed, therefore we can not guarantee that more Bermudagrass will not grow back in that area. We encourage you to contact us at 877-220-3089 if there is anything else that we can assist you with.
Will this kill poison ivy?
Asked by ETM August 22, 20204
AnswersNo. Get the ivy specific product.
I have lots of vines growing over my clusia trees in South Florida. If I apply roundup to the vin...
Asked by Laurence August 12, 20203
AnswersThank you for inquiring about Roundup Weed and Grass Killer. This product will not penetrate the bark of mature trees, however, if it touches the leaves or roots, we can not guarantee it will not permanently damage the tree. If you have any further questions or would like further assistance, please contact us at 877-220-3089 and one of our representatives would be glad to assist you.
I want to make sure this does not kill ornamental grasses. Some examples are creeping thyme. I ...
Asked by plantNW August 11, 20204
AnswersThe label states you shouldn't spray on anything you don't want to kill.
wand motor runs and draws fluid up tubing inserted in product., but weed killer goes no further. ...
Asked by Howard July 31, 20205
AnswersWe appreciate your interest in Roundup Weed and Grass Killer. Potentially the siphon tube and sprayer needs to be re-primed. You can achieve this by holding or placing the container higher than the wand. Making sure there are no kinks in the hose, pull the trigger for 30 seconds continuously and that should get your wand working again. We encourage you to contact us at 877-220-3089 if there is anything else that we can assist you with.
Deos this product hurt grass of my lawn?
Asked by LawnLover July 24, 20205
AnswersYes, be careful where you spray it
Can I use the refill with another type of pump?
Asked by Chapina July 8, 20205
AnswersYes you are able to use another type of pump,
How many times should I spray
Asked by Nina June 25, 20205
AnswersThank you for your question regarding Roundup Weed and Grass Killer. If weeds are not completely killed within 4 weeks, repeat application of the product. If you have any further questions or would like further assistance, please contact us at 877-220-3089 and one of our representatives would be glad to assist you.
Customer Reviews
Oct 25, 2020
Please Don't buy this product
In simple words don't buy it. The places I sprayed even started getting more/more weed growth. I never had weed there before. Wanted to get rid of grass, but now have to deal with weed. It's a total scam.
by Haqfaisal
Response from Roundup TeamOct 26, 2020
Our apologies that you didn't get the results you expected after using Roundup Weed and Grass Killer. Weeds typically begin to show signs of wilt in 1 day; allow 1 - 2 weeks for complete control of the weed. We recommend that weeds not be cut for two days both before and after the product application to maximize leaf surface and absorption. Reapply 2 weeks after initial application, especially on viney, woody or waxy plants. We do offer a product guarantee which we would be happy to extend to you. Feel free to contact us at 1-800-332-3111. Refer to this review when calling.
Oct 19, 2020
Spray Nozzle is 100% garbage
This newer design with the on/off dial on the spout is a joke. After one pull of the trigger, you have to wait a few seconds or so before you can squeeze it again. I can barely get a dribble out each time. Ended up pouring the roundup into a tank sprayer and threw this roundup container in the garage.
by Littlestump
Response from Consumer Services Oct 20, 2020
We are sorry to hear that you had a poor experience with Roundup Weed and Grass Killer. Potentially the siphon tube and sprayer simply needs to be re-primed. You can achieve this by holding the container higher than the sprayer and press the trigger several times. We want you to be aware that we do back our product with a product guarantee. Please do not hesitate to contact us if you would like to speak further about this. You can reach us at http://tinyurl.com/mx3ua3u
Customer review from roundup.comOct 7, 2020
Have used this product for a very long time on my driveway and never have weeds growing out of th...
Have used this product for a very long time on my driveway and never have weeds growing out of the cracks, always a clean look. I always try to purchase when buy one with the pump and get the refill free great deal.
by wingnut
Jun 29, 2020
Unfortunately I was TOTALLY looking forward to trying this product!! Unfortunately it fell short!...
Unfortunately I was TOTALLY looking forward to trying this product!!
Unfortunately it fell short!!
I love the cup to keep the spray in one spot and that works great!!
But the actual spray does not kill anything!!
I am sooo disappointed!!!
by Mari
Response from Roundup TeamSep 27, 2020
We apologize that you were not thoroughly satisfied with Roundup Weed and Grass Killer. This product can take up to 2 weeks to completely kill the weeds to the root. However, you should see some signs of wilt and yellowing in 24 hours. We are dedicated to providing consumers with high quality products at a value price, and if we have not done that in this case, we would like to discuss this with you directly and have the opportunity to make it right for you. Please reach out to us at 877-220-3089 at your earliest convenience.
Feb 26, 2020
It seems that it doesn't kill as well as it used to. Maybe they have made the old standard weak...
It seems that it doesn't kill as well as it used to. Maybe they have made the old standard weaker as they have come out with some Premium versions. It does still eventually kill the weeds, but normally requires a couple applications. Also, the sprayer on this version, which has the battery operated wand with the snap on cone stinks. I have had 2 of them just quit spraying. I think the way the wand tri folds it ends up kinking the line. I called the company and they did send me a new one, which I haven't tried yet, as it took a while, so I bought another one with a pump sprayer, and not a tri fold. The one that quit working, I did try to prime it, also blow air through it, and it eventually started leaking through the trigger. I took it apart and couldn't figure any other reason than the kinking that would be keeping it from spraying. Even when it did work, it was a very light spray. There are 3 settings and they are all fine, so if you have some large areas to treat pack a lunch. But I am still a customer and will continue to buy it.
by Ajab6257
Aug 6, 2019
The refill bottle of Round Up acted differently than the same product that came with a sprayer at...
The refill bottle of Round Up acted differently than the same product that came with a sprayer attached. This refill stuff moved me to contact Monsanto to complain and request a compensation for the damage it did. It says on the jug " kill the weeds, not the lawn". Yeah, right. It burned up everything that it touched.. My yard looks awful, and I've spend over a $100.00 trying to restore it ( spot damage was extensive). Not that I don't think it works, but that it works like a wolf in sheep's clothing.
by Bill
Response from ScottsCustomerCareAug 9, 2019
We are very sorry for the issues you encountered with Roundup Weed and Grass Killer. This is a non selective weed killer and will kill anything that is green and growing. If you have any questions or would like further assistance, please contact us at 877-220-3089 and one of our representatives would be glad to assist you. We hope this experience has not caused you to lose faith in our product, as we use reviews like yours to maintain and improve the quality product that you and other consumers have come to know and love.
Jul 4, 2019
The ready to go aspect of this Roundup product is so convenient. It did start to kill the weeds w...
The ready to go aspect of this Roundup product is so convenient. It did start to kill the weeds within 3 hours. This is well worth the price. It keeps the mowing edge clear of grass and weeds so it is an easier job mowing my curved edges. This picture of the edges 2 1/2 days later!
by sunshine
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