Roundup Concentrate Plus Weed and Grass Killer - 35.2 oz

Sku
2706869
Item#:
5376312
$32.99
  • Easy to use
  • Rainproof in as fast as 30 min
  • Visible results in as fast as 6 hrs
  • Allows for planting 1 to 30 days after application
Quantity 1

This item is only available for curbside and in-store pickup at a North 40 Outfitters store. Please check the store availability tab to view inventory at your preferred North 40 Outfitters. 

Take control of your outdoor space with Roundup Weed & Grass Killer Concentrate. It kills tough weeds and grasses to the root, including dandelion, large crabgrass, poison ivy, clover (red & white), spotted spurge and other broadleaf weeds. It is rainproof in as fast as 30 min, produces visible results in hours and allows you to plant 1 to 30 days after application. Use Roundup Weed & Grass Killer Concentrate in flower beds, around trees, along fences, driveways and walkways, freshly cut woody stumps, in large areas for lawn replacement, garden plot preparation and other areas of your yard. Mix the concentrate according to label directions and spot treat or spray evenly each gallon of spray solution over 300 sq.ft. with a tank or hose-end sprayer. Do not allow people or pets to enter the treated area or touch treated plants until spray has dried. One 35.2 fl oz bottle of Roundup Weed & Grass Killer Concentrate makes between 5.8 to 11.7 gal and covers up to 1,750 to 3,500 sq.ft.

  • Roundup Weed & Grass Killer Concentrate kills tough weeds and grasses to the root, including dandelion, large crabgrass, poison ivy, clover (red & white), spotted spurge and other broadleaf weeds
  • Roundup Weed & Grass Killer Concentrate is rainproof in as fast as 30 min and produces visible results in hours
  • Allows for planting 1 to 30 days after application
  • Use in flower beds, around trees, along fences, driveways and walkways, freshly cut woody stumps, in large areas for lawn replacement, garden plot preparation and other areas of your yard
  • Mix Roundup Weed & Grass Killer Concentrate according to label directions and spot treat or spray evenly each gallon of spray solution over 300 sq.ft. with a tank or hose-end sprayer
Tank Sprayer

Use of Roundup Brand tank sprayer is recommended. A plastic, fiberglass, plastic-lined steel or stainless steel sprayer may also be used.

  • Remove tamper evident band on bottom of cap
  • For best results add 6 fl oz (12 Tbs) per gallon of water using the measuring cap provided. For easy to kill weeds such as small newly emerged annual weeds (less than 3") add 3 fl oz (6 Tbs) per gallon of water. Close cap tightly after use
  • Spot treat or spray evenly each gallon of spray solution over 300 sq.ft.
Hose-End Sprayer

For large areas consider using a hose-end sprayer.

  • For best results, set dial to 6 oz. For easy to kill weeds such as small newly emerged annual weeds (less than 3"), set dial to 3 oz
  • Pour concentrate into sprayer jar. Do not add water
  • Connect garden hose to the sprayer and turn on water. Spray evenly over treatment area. Start by spraying treatment area farthest from the faucet working backwards
How To Apply
  • Adjust nozzle to the desired spray setting
  • Spray the weeds or grasses you want to kill until thoroughly wet
  • Spot treat or spray evenly each gallon of spray solution over 300 sq.ft.
  • When spot treating weeds around desirable plants, shield plants from drift with a sheet of cardboard or plastic. If desirable plants are sprayed accidentally, rinse off immediately with water
Where Not To Use
  • Do not use on or around edible food or feed crops; or where livestock grazing is allowed
  • Important: Do not spray plants or grasses you like - they will die. Not recommended for spot weed control in lawns since this product kills lawn grasses. Do not allow treated weeds to come in contact with desirable plants until spray has dried
Where To Use
  • On patios, walkways, driveways, gravel areas or mulch beds
  • Around flowers, trees or shrubs
  • Along fences
  • Edging around foundations and retaining walls
  • In large areas: For lawn replacement & garden plot preparation
  • Freshly cut woody stumps
  • Plus other areas where weeds are invading your yard
When To Apply
  • Use anytime weeds and grasses or brush are actively growing
  • For best results, apply at the 6 fl oz rate during warm, sunny weather above 60°F. Development of visible results could be delayed in cool or cloudy conditions or when using the 3 fl oz rate
  • Spray when air is calm to prevent drift to desirable plants
  • Rainproof: Rain or watering 30 min after application will not away effectiveness
  • Some established perennial or hard to kill weeds may require a repeat application
  • Brush sprayed in the fall may not be controlled until the following season. In the spring, spray regrowth if it occurs
How Often To Apply
  • Wait a minimum of 28 days before repeating application
Watering Tips
  • Rain or watering 30 min after application will not away effectiveness
Mixing Instructions

To measure the right amount of product, use the convenient easy-measure cap with volume markings inside.

Mixing Instructions (General Weed Control Annuals)
  • Tank Sprayer: Use 3 fl oz (6 Tbs) in 1 gal of water
  • Hose-End Sprayer: Pour concentrate into sprayer jar. Do not add water. Set dial to 3 fl oz and spray
Mixing Instructions (Tough Weed Control for Perennials, Brush, Vines or Lawn Renovation)
  • Tank Sprayer: Use 6 fl oz (12 Tbs) in 1 gal of water
  • Hose-End Sprayer: Pour concentrate into sprayer jar. Do not add water. Set dial to 6 fl oz and spray

Some established hard-to-kill annual weeds may require the 6 fl oz use rate, such as Crabgrass, Goosegrass, Common Purslane and Chickweed.

Active Ingredients
  • Triclopyr, Triethylamine Salt: 2.50%
  • Fluazifop-P-Butyl: 2.00%
  • Diquat Dibromide: 1.50%
Cautions

Avoid contact with eyes, skin or clothing during and after application. Do not apply this product in a way that will contact any person or pet, either directly or through drift. Keep people and pets out of the area during application. Only persons applying this product may be in the area during application. Do not exceed the maximum single or yearly application rate of 60 fl oz product per 300 sq.ft. (9 lb ae triclopyr per acre) and wait a minimum of 28 days before repeating application. Do not apply this product via backpack sprayer.

Disposal Methods
  • If Empty: Place in trash or offer for recycling
  • If Partly Filled: Call your local solid waste agency for disposal instructions. Never place unused product down any indoor or outdoor drain

Inventory is constantly changing. To ensure availability upon arrival, purchase your item now and select the Curbside Pickup option at checkout. We will pull the item for you and have it waiting for your arrival.

Local store prices may vary from those displayed. Products shown as available are normally stocked, but inventory levels cannot be guaranteed. North 40 Outfitters operates strictly as a retailer, not a wholesaler. We reserve the right to decline orders to other retail outlets and/or any other reseller to provide product availability for our end-user customers. If you have questions or concerns about this policy, please call 844.466.8440.
© 2025 CSWW Inc. All Rights Reserved. Use of this site is subject to certain Terms of Use which constitute a legal agreement between you and North 40 Outfitters.