3.9 out of 5 Customer Rating

Roundup® For Lawns3 Ready-To-Spray (Northern)

3.9 out of 5 Customer Rating

Roundup® For Lawns3 Ready-To-Spray (Northern)

Product Applicator Type

Extended Wand

The extendable spray wand is ideal for use in hard-to-reach areas and has continuous spray.


Mix the specified amount of product with water in a tank sprayer then spray uniformly as a spot treatment or for large areas.


The fast and easy way to refill your original container. Simply pour into your original empty container, remembering NOT to add water.


Attaches to a garden hose to treat large areas. No mixing or measuring!



  • Kills weeds, not the lawn
  • Kills 253 types of weeds, including crabgrass, dandelion, clover, and yellow nutsedge (see inside booklet for weed list)
  • For use on Northern grasses, including Bluegrass, Fescue, Zoysia, Perennial Ryegrass
  • Starts working immediately, is rainproof in as little as 3 hours, and controls weeds for up to 3 months (as listed)
  • Ready-to-spray applicator covers up to 5,000 sq. ft.

Specs and Details

Active Ingredients

  • MCPA, dimethylamine salt: 3.85%
  • Quinclorac:1.80%
  • Dicamba, dimethylamine salt: 0.43%
  • Sulfentrazone: 0.22%


  • Do not apply this product in a way that will contact any person or pet, either directly or through drift.
  • Do not treat when air temperatures exceed 85°F as damage may occur.
  • Application at rates above specified on this label may cause injury to turfgrass.
  • Do not apply this product to food crops (gardens and vegetables), forage crops, or ornamental plants including flowers, trees, shrubs, hedges, woody ornamentals, groundcovers established in landscape plantings and other nontarget plants.
  • Do not spray exposed roots of ornamentals and trees.
  • Do not use clippings from the treated areas as mulch or compost around flowers, ornamentals, trees, or in vegetable gardens.
  • Not for use on turf being grown for sale or other commercial use such as sod, or for commercial seed production, or for research purposes.

Disposal Methods

  • Do not contaminate water, food, or feed by storage and disposal. Store in original container in a locked storage area inaccessible to children or pets.
  • Nonrefillable container. Do not reuse or refill this container
  • If empty: Place in trash or offer for recycling if available.
  • If partly filled: Call your local solid waste agency for disposal instructions. Never place unused product down any indoor or outdoor drain.

Product Label

  • This is not the product label. Always read and follow the product label before use.
  • Safety Data Sheets can be found at scottsmsds.com


Roundup for Lawns3 is a tough weed killer for use on Northern grasses that kills weeds, not the lawn! This tough weed killer kills 253 types of weeds and works fast on hard-to-kill weeds (see inside booklet for weed list). It won't harm lawns when used as directed on Northern grasses, including Bluegrass, Fescue, Zoysia, Perennial Ryegrass. The ready-to-spray applicator covers up to 5,000 sq. ft., just connect to your garden hose and spray! This product starts working immediately, is rainproof in as little as 3 hours, and controls weeds for up to 3 months (as listed). Roundup For Lawns3 kills the root so weeds won't come back. Apply Roundup For Lawns3 to actively growing weeds during the early growth stages for the best results. Apply in spring or fall when daytime temperatures are between 45°F and 90°F. Roundup For Lawns3 is a simple step for home lawn care. No weeds. No worry.

Step By Step Instructions

How to Use

  • Shake well before using.
  • Connect: Connect sprayer to the hose. Turn on the water.
  • Spray: To BEGIN spraying, move lever to ON. Spray evenly over the measured area.
  • Finish: To STOP spraying, move lever to OFF. Turn off the water. Relieve the water pressure by sliding thumb switch to ON. After water slows to a drip, move lever to OFF. Disconnect sprayer from the hose.

When and Where to Use

Where Not to Use

  • Do not use on lawns containing Bentgrass, St Augustinegrass, Bahiagrass, Centipedegrass, or Carpetgrass. Also, do not use on Dichondra or lawns with desirable clovers or legumes. Do not use on vegetable gardens, fruits, or ornamentals (flowers, trees, groundcovers, hedges, landscape/flower beds and shrubs).

Where to Use

  • This product is intended for use by homeowners on residential lawns. This product may be applied only to the following species of turfgrass:
  • Cool Season: Kentucky Bluegrass, Perennial Ryegrass, Fescue SPP., including Tall, Red, and Fine Leaf Fescues
  • Warm Season: Bermudagrass*, Zoysiagrass, Buffalograss
  • *Application to Bermudagrass may cause temporary yellowing or discoloration, but full recovery can be expected. Do not apply to Bermudagrass when daytime temperatures exceed 85°F.

When to Apply

  • Apply this product to actively-growing weeds during the early growth stages for the best results. Apply in spring or fall when daytime temperatures are between 45°F and 90°F. Fall applications may control winter annual and biennial weeds that may over-winter and flower the following spring. For heavy grass weed pressure, apply a second application at the same rate, 14 days after the first application.

Crabgrass (large and smooth):

  • Spring: For the best results, apply this product from crabgrass emergence until the 6 leaf stage (2 tillers) or before the crabgrass is 3 to 4 inches in height. Generally, this period begins or corresponds to the first time that you can see crabgrass in your lawn. Use two applications at the same rate with a 14- day interval for dense populations.

Foxtail (grean, giant, and yellow):

  • Spring and early summer: For the best results, apply this product to foxtail during the early growing stages or when foxtail is 1 to 4 inches in height. Use two applications at the same rate with a 14-day interval for dense populations.

Yellow nutsedge:

  • Early summer: Two applications of this product are required when the yellow nutsedge plants are 3 to 6 inches tall. Apply the second application at the same rate 14 days later.

Broadleaf weeds:

  • Spring: Apply when dandelion, plantain, buttercup, speedwell, knotweed and other broadleaf weeds are young and actively growing with adequate soil moisture for best results.
  • Fall: Apply when henbit, chickweed, lawn burweed and other broadleaf weeds are young and actively growing with adequate soil moisture for best results.

How Often to Apply

  • The maximum application rate is 6.4 fl. oz. of product per 1,000 sq. ft. per application. The maximum number of broadcast applications is limited to 2 per year within a minimum of 21 days between applications. The maximum seasonal rate is 13 fl. oz. of product per 1,000 sq. ft.

Special Instructions

Watering Tips

  • Rainproof in 3 hours
  • For best results, do not irrigate or water the turfgrass within 24 hours after application.
  • If dry conditions exist, a scheduled irrigation or watering 24 hours before and 24 hours after application is recommended.

Frequently Asked Questions

Weeds Controlled

Broadleaf weeds

Amaranth, purple; Amaranth, slender; Aster, heath; Aster, white heath; Aster, purple; Aster, white prairie; Artichoke; Austrian fieldcress; Bedstraw, catchweed; Bedstraw, smooth; Bedstraw,northern; Bedstraw, pineywoods; Beggarticks, hairy; Betony, Florida; Bindweed, Field; Bindweed, hedge; Bitter Wintercress; Bittercress, hairy; Bitterweed; Black-eyed Susan; Black medic; Blood flower milkweed; Blue lettuce; Brassbuttons; Bristly oxtongue; Broomweed; Buckhorn; Bullnettle; Burclover; Burdock; Burweed, lawn (spurweed); Buttercup, bulbous; Buttercup, creeping; Buttonweed, common (poorjoe); Buttonweed, Virginia; Carolina geranium (wild); Carpetweed; Catnip; Catsear, spotted (false dandelion); Chamber bitter; Chickweed, common; Chickweed, mouseear; Chickweed, sticky; Chicory; Cinquefoil; Clover, crimson; Clover, alsike; Clover, hop; Clover, rabbit foot; Clover, red; Clover, strawberry; Clover, yellow sweet; Clover, white sweet; Clover, white; Cockle; Cocklebur; Cocklebur, oriental; Cocklebur, spiny; Common mullein; Corn spurry; Creeping beggarweed; Creeping Jenny (creeping Charlie); Cupid shaving brush; Cudweed; Daisy, English; Daisy, oxeye; Dandelion, common; Dandelion, false; Day flower; Deadnettle; Dichondra; Dock, broadleaf; Dock, curly; Dogbane; Dogfennel; Dollarweed (pennywort); Doveweed; Elderberry; Falseflax; False sunflower; Fiddleneck; Filaree, redstem; Filaree, whitestem; Fleabane, daisy (annual); Fleabane, rough; Galinsoga, hairy; Galinsoga, smallflower; Goldenrod; Ground ivy; Groundsel; Gumweed; Hairy fleabane; Hawkweed, meadow; Hawkweed, mouseear; Hawkweed, orange; Hawkweed, yellow; Healall; Heartleaf drymary; Hemp; Henbit; Hoary cress; Horsenettle; Horseweed; Jimsonweed; Johnny-Jumpup violet; Knawel; Knotweed, prostrate; Kochia; Lambsquarters; Lespedeza; Mallow, alkali; Mallow, bristly; Mallow, common; Mallow, dwarf; Mallow, Venice; Marcela;Matchweed; Mexicanweed; Moneywort; Morningglory, bigroot; Morningglory, ivyleaf; Morningglory, Mexican; Morningglory, red; Morningglory, tall; Morningglory, woolly; Mugwort; Mustard, ball; Mustard, black; Mustard, blue; Mustard, hedge; Mustard, Indian; Mustard, tansy; Mustard, tumble; Mustard, white; Mustard, wormseed; Nettle, stinging (burning); Nettle, tall; Nettle, wood; Parsley-piert; Parsnip; Pearlwort; Pennycress (Frenchweed); Pepperweed, perennial; Pepperweed, Virginia (peppergrass); Pigweed, prostate; Pigweed, redroot; Pigweed, Russian; Pigweed, smooth; Pigweed, tumble; Pineappleweed; Plains coreopsis (tickseed); Plantain, blackseed; Plantain, bracted; Plantain, broadleaf; Plantain, buckhorn; Plantain, hoary; Plantain, narrowleaf; Plantain, slender; Plantain, woolly; Poison ivy; Poison oak; Pokeweed; Prairie sunflower; Prickly lettuce (compass plant); Prickly sida; Prostrate knotweed; Puncturevine; Purslane, common; Pusley, Brazil; Pusley, Florida; Pusley, large flower; Ragweed, bur; Ragweed, common; Ragweed, lanceleaf; Ragweed, western; Redstem filaree; Rough cinquefoil; Scarlet pimpernel; Shepherdspurse; Smartweed, ladysthumb; Smartweed, pale; Smartweed, Pennsylvania; Smooth chaff-flower; Smooth dock; Sorrel, red (sheep); Sowthistle, annual; Sowthistle, spiny; Spanish needles; Speedwell, bi-lobed; Speedwell, common; Speedwell, corn; Speedwell, ivyleaf; Speedwell, Persian; Speedwell, purslane; Speedwell, slender; Speedwell, snow; Speedwell, thymeleaf; Spiny amaranth; Spurge, spotted; Spurge, prostrate; Spurweed; Star of Bethlehem; Strawberry, Indian mock; Tansy ragwort; Tanweed Thistle, blessed; Thistle, bull; Thistle, Canada; Thistle, flodman (prairie); Thistle, musk; Thistle, platte; Thistle, plumeless; Thistle, Russian; Thistle, Scotch; Thistle, wavyleaf; Thistle, yellow (horrible); Trailing crownvetch; Velvetleaf; Vervain, blue; Vervain, hoary; Vervain, prostrate; Vervain, tall; Vetch, bird; Vetch, hairy; Vetch, milk; Vetch, narrowleaf; Vetch, wild; Virginia creeper; Western clematis; Western salsify; Wild aster; Wild buckweat; Wild carrot; Wild four-o-clock; Wild garlic; Wild lettuce; Wild marigold; Wild mustard (yellow rocket); Wild onion; Wild parsnip; Wild radish; Wild rape; Wild strawberry; Wild sweet potato; Wild violet; Woodsorrel, creeping; Woodsorrel, violet; Woodsorrel, yellow (Oxalis); Woolly croton; Wormseed; Yarrow, common; Yarrow, western; Yarrow, yellow.

Grass Weeds

Crabgrass, large and smooth; Foxtail, green, yellow, and giant; Barnyardgrass; Nutsedge, yellow

Kids & Pets

People and pets may enter treated area after spray has dried.