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20 Best Weed And Feed For St Augustine Grass (2022 Updated)

Weed and feed for st augustine grass is a fertilizer that contains herbicides to kill weeds and other unwanted plants in your lawn.

20 Best Weed And Feed For St Augustine Grass

1. Southern Ag Atrazine St. Augustine Weed Killer, 32oz – 1 Quart

Southern Ag Atrazine St. Augustine Weed Killer, 32oz - 1 Quart

  • 1 Quart

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Pestrong.com

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Specifications

Details
Liquid Volume 1 Quarts
Item Form Spray
Active Ingredients Herbicide, Atrazine
Product Dimensions 6 x 3 x 8 inches
Is Discontinued By Manufacturer No

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billdowns1
Fredrik
ml_us_tvye1qbs

2. BioAdvanced 5 in 1 Weed & FEED, 10,000 Sq. ft.

BioAdvanced 5 in 1 Weed & FEED, 10,000 Sq. ft.

  • 24 lb Bag

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Specifications

Details
Application Method Spreader
Primary Usage Weed & Feed
Safe for Bermuda Grass Yes
Product Type Lawn Fertilizer
Lawn Project Get Rid of Weeds

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Joe Creech
Joyful
Matt5555

3. 32 fl oz Ready-to-Spray Weed & Feed – Spectracide

32 fl oz Ready-to-Spray Weed & Feed - Spectracide

  • Treats up to 7,500 sq ft
  • Kills major broadleaf weeds as listed and feeds the lawn
  • Just connect to your hose and spray
  • Kills weeds while feeding your lawn

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Specifications

Details
NPK Ratio 0-0-0
Emergent Type Post-Emergent
Organic Non-Organic
Active Ingredients 2, 4-D, dimethylamine salt
Application Method Hose End Sprayer

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Paulie b 1212
LSH
annmarie

4. Greenview Fairway Formula Spring Fertilizer Weed & Feed and Crabgrass Preventer- 36 lb. – Covers 10,000 sq. ft.

Greenview Fairway Formula Spring Fertilizer Weed & Feed and Crabgrass Preventer- 36 lb. - Covers 10,000 sq. ft.

  • 36 lb

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Specifications

Details
NPK Ratio 24-0-6
Emergent Type Pre and Post Emergent
Application Type Granular
Area of Use Lawn
Bag Weight (lb.) 36

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David L
SH96
BigFavela

5. Preen 9 lb. One Lawncare

Preen 9 lb. One Lawncare

  • Stops crabgrass all season and can be applied up to 4 weeks after crabgrass emerges.
  • Kills dandelions and up to 250 other tough lawn weeds as listed, to the root.
  • Feeds your lawn for up to eight weeks with a, zero-phosphorus 24-0-6 formula.
  • Do not use this product on St Augustinegrass, colonial bentgrass, dichondra or carpet grass as serious lawn injury will result.
  • Kills dandelions and crabgrass in one easy weed and feed application.

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Ideal True Value Home Center

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GreenAcres
detailzguy
Inizimij

6. Pennington Ultragreen 30-0-4 Weed & Feed – 12.5 lbs.

Pennington Ultragreen 30-0-4 Weed & Feed - 12.5 lbs.

  • Fertilizer and kills over 250 broadleaf weeds, including dandelion, henbit, dollar weed, White clover, plantain and chickweed
  • Treats northern and southern grasses
  • Not for floral St. Augustine
  • Quick greening
  • Extended feeding

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Weight 12.75 oz

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7. Greenview-Broadleaf Weed Control Plus Lawn Food 39 lb

Greenview-Broadleaf Weed Control Plus Lawn Food 39 lb

  • 39 lb

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8. Preen 16 lb Weed Preventer Plus Plant Food

Preen 16 lb Weed Preventer Plus Plant Food

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Blain’s Farm & Fleet

Product Details

Specifications

Details
Organic No
Product Form Granules
Season Use Multi-Season
Concentrated No
Fertilizer Analysis (N-P-K) 9-12-9
Container Size 16 lb
Active Ingredient Trifluralin
Time Release Slow-Release
Coverage Area 2560 sq ft
Product Type Weed Preventer & Fertilizer
Application Frequency 3 Months
Brand Name Preen

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JoeAkronOhio34Male
MI DogsCatsChickens
Summerone

9. Scotts Turf Builder Lawn Food, Southern, 32-0-10 – 42.18 lb

Scotts Turf Builder Lawn Food, Southern, 32-0-10 - 42.18 lb

  • 15,000 Sq. Ft

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Specifications

Details
Units in Package 1
Unit Size 42.18 lb
Directions Directions for Use: Okay to re-enter lawn after application. Quick Start Guide: You’re just three simple steps away from a beautiful Scotts Lawn! Fill & Set Spreader: Scotts Broadcast/Rotary Spreaders: 3-1/2; Scotts Drop Spreaders: 6. This package applies 2.8 lb of product per 1,000 sq ft. Scotts products are designed to work with Scotts spreaders. Apply: For even application walk at a steady pace slightly overlapping each pass. Scotts Drop Spreaders: Align hopper arrow with previous wheel track. Scotts Broadcast/Rotary Spreaders: Each pass should be within 5 ft of the other to ensure an overlap. For fast results, lightly water in. Clean-Up: Return unused product to original container. Help keep our water clean. Apply only to actively growing turf. Do not apply near water, storm drains, or drainage ditches. Do not apply if heavy rain is expected. Apply this product only to your lawn and sweep any product that lands on the driveway, sidewalk, or street back onto your lawn. Enjoy: Law is safe to re-enter immediately after product is applied. Tips for Lawn Care Success: Benefits of multiple feedings – 1. Annual feeding, 2-3 annual feedings, 4 annual feedings. Check with your local Cooperative Extension Agency to obtain specific information on local turf best management practices. Check with your country or city government to determine if there are local regulations for fertilizer use. Mow and Leave the Grass Clippings On Your Lawn: Mowing high allows the grass to develop a deep root system & helps your lawn use water more effectively. Grass clippings recycle the plant nutrients back into the soil. Conserve Water: Well-fed lawns are more efficient at using available water. Feeding with Scotts products helps grow a thick lawn with more roots to better absorb water and nutrient than an unfed lawn. This helps protect your lawn against heat, drought and other stresses. Remember, your lawn will begin to wilt when water is needed. As much as possible take advantage of nature’s sprinkler and rely on the rain to water your lawn. Scotts Recommended Feeding Routine: Early Spring: An early spring feeding helps grass green-up after the winter. You should feed around the first time you mow your grass. Late Spring: Feeding now prepares grass for summer stress by thickening the blades on top and building deep roots below. Summer: A summer feeding provides grass the nutrients they need to thrive during the harsh summer months. Early Fall: Feeding now helps grass recover from the stresses of summer and store nutrients for the winter months. Florida Fertilizer Applications: 4 annual feedings with the following exceptions: On centipedegrass do not exceed 2 lb of Nitrogen per 1000 sq ft in the north and 3 lb of Nitrogen per 1000 sq ft in the central and south. On bahiagrass and zoysiagrass do not exceed 3 lb of Nitrogen per 1000 sq ft in the north. Storage: Store in original container, out of reach of children.
Warnings First Aid and Storage Information: Keep out of reach of children. Caution: Eye contact with contents may cause irritation. Flush eyes with water as soon as possible after contact.

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scotts.com
PCTC

10. 16-lb St. Augustine Weed and Feed 15-0-4

16-lb St. Augustine Weed and Feed 15-0-4

  • 16 lb

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Ace Hardware

Product Details

Specifications

Details
Primary Usage Weed & Feed
Grass Type St. Augustine Grass
Coverage Area 2500 sq ft
Water Soluble Yes
Application Season Spring

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Yardmaster
Lawnman
Peg

11. Spectracide Weed Stop, For Lawns, For St. Augustine & Centipede Lawns, Concentrate – 32 fl oz

Spectracide Weed Stop, For Lawns, For St. Augustine & Centipede Lawns, Concentrate - 32 fl oz

  • Ready-To-Spray
  • Specially Formulated For Use On St.
  • Won T Harm Lawns
  • Kills The Toughest Weeds As Listed Including Dollarweed And Sandspur
  • 4% Atrazine

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Product Details

Specifications

Details
Units in Package 1
Unit Size 32 fl oz
Directions Read the entire label before use. It is a violation of Federal law to use this product in a manner inconsistent with its labeling. Entry restriction: Do not allow people or pets to enter the treated area until sprays have dried. 1. Shake container well before using. 2. Connect a garden hose to the ready spray nozzle. Make sure the dial on the nozzle is in teh off position with the safety tab in the valve notch. 3. Turn on water at faucet. Extend hose to the farthest area to be treated and work back toward the faucet so you don’t come in contact with treated area. 4. To begin spraying, point nozzle toward treatment site and a.) bend the safety tab back (located at right of dial) with your thumb, b.) hold while turning dial clockwise until it stops. Water will automatically mix with product. 5. Spray until wet to control listed weeds. Walk at a steady pace while spraying, using an even sweeping motion. 6. To stop spraying, quickly turn the dial counterclockwise until it stops and the safety tab engages into the notch on the valve. Turn water off at faucet. To relieve pressure before removing nozzle from hose, bend the safety tab back and turn dial on until water stops spraying. 7. To store unused product, make sure the dial is in the off position with safety tab in the valve notch. Place in cool area away from heat, sunlight or open flame. Do not use near desirable plants as injury may occur. Do not apply under windy conditions. Do not treat the same area twice. Do not apply when temperatures exceed 90 degrees F as lawn injury may occur. Use only on healthy home lawns that are not under heat or drought stress and are reasonably free of insects, nematodes or diseases. Do not use on muck or alkaline soils. Do not apply in the root zone of trees, ornamentals or vegetables or other desirable plants other than the listed grasses. Do not apply to areas where natural drainage would carry the spray to desirable plants. Do not replant treated areas, except with listed grasses, within 12 months of application or injury may result. Do not oversee treated areas within six months after application. Sprigging listed grasses in treated areas is acceptable; however, some yellowing or stunting may occur. Application restrictions: 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. This 32 fl oz container will treat 3,720 sq ft of listed grasses. Do not apply the entire container to an area less than 3,720 sq ft. Do not apply to the same area more than two times per year. Weeds controlled or partially controlled in established St. Augustinegrass and Centipedegrass lawns: annual bluegrass, chickweed (common and mouseear), crabgrass (partial control), cransbil, cudweed, dichondra, dollarweed, Florida betony, henbit, knotweed, lespedeza, moneywort, mustards, narrowleaf vetch, parsley-piert, pennywort (dollarweed), sandspur, smutgrass, spurge, spurweed, swinecrest, woodsorrel, and various annual clovers. Spurweed: control can best be obtained by applying when spurweed has just emerged (December and January). Florida betony: For best control, applications should be made in mid- to late October followed by a second application in mid- to late February. Dichondra, moneywort: Apply in early April followed by a second application in July. Applications for control of spurweed or Florida betony will generally give control or partial control of the other listed weeds. However, this product will give best control when applied to tender young weeds or just prior to weed emergence. Spectracide Weed Stop for Lawns for St. Augustine & Centipede Lawns Concentrate may be applied during both dormant and growing seasons. Best results are obtained when application takes place in early spring or dormant periods when weeds are small or have not emerged. Do not apply more than twice per year to the same area. This product will control both emerged weeds and weeds from seeds. Rain or watering within two or three days of application may decrease the effectiveness on emerged weeds. However, for the control of emerged weeds from seeds, rainfall or watering is needed within seven to 10 days after treatment. Storage and disposal: Do not contaminate water, food, or feed by storage and disposal. Pesticide Storage: Store in a locked storage area. Container disposal: If empty: Nonrefillable container. Do not reuse or refill this container. Offer for recycling, if available. Pesticide disposal: If partly filled: Call your local solid waste agency for disposal instructions. Never place unused product down any indoor or outdoor drain.
Ingredients Active Ingredient: Atrazine (4.00%). Related Compounds (0.08%). Inert Ingredients (95.92%).
Warnings Keep out of reach of children. Hazards to humans and domestic animals. Harmful if swallowed or absorbed through skin. Avoid contact with skin, eyes or clothing. First aid: If swallowed: Call a Poison Control Center or doctor immediately for treatment advice. Have person sip a glass of water if able to swallow. Do not induce vomiting unless told to do so by a Poison Control Center or doctor. Do not give anything by mouth to an unconscious person. If on skin or clothing: Take off contaminated clothing. Rinse skin immediately with plenty of water for 15-20 minutes. Call a Poison Control Center or doctor for treatment advice. Note to physician: There is no specific antidote for Atrazine. If the product is ingested, induce emesis or lavage stomach. The use of an aqueous slurry of activated charcoal may be considered. Have the product container or label with you when calling a Poison Control Center or doctor for treatment advice. Environmental hazards: Atrazine can travel (seep or leach) through the soil and can enter groundwater, which may be used as drinking water. Atrazine has been found in drinking water. Users are advised not to apply to sand and loamy soils where the water table (groundwater) is close to the surface and where the soils are very permeable, i.e. well-drained. Your local agricultural agencies can provide further information on the type of soil in your area and the location of the groundwater. This pesticide is toxic to aquatic invertebrates. Do not apply directly to water or to areas where surface water is present or to the intertidal areas below the mean high-water mark. Do not apply when weather conditions favor drift from treated areas. Runoff and drift from the treated areas may be hazardous to aquatic organisms in neighboring areas.

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PanamaCobra
MikeinFL
musicmonger

12. Gordon’s 1 gal. Liquid Weed & Feed 15-0-0 Lawn Fertilizer Concentrate

Gordon's 1 gal. Liquid Weed & Feed 15-0-0 Lawn Fertilizer Concentrate

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Theisen’s

Product Details

Specifications

Details
Country of Origin Made in USA
Concentrated or Ready to Use Concentrated
Coverage Area 20,000 sq. ft
Form Liquid

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Southman
TexasLawn
BR1964

13. Ambrands 4416731 5M Weed & Feed Southern Lawn Fert

Ambrands 4416731 5M Weed & Feed Southern Lawn Fert

  • Country of Origin: United States
  • Weight: 12.75 lbs

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SupremeDIY.com

Product Details

Specifications

Details
Coverage Area (sq. ft.) 5000
Dry Fertilizer Type Dry Lawn Fertilizer
Time release Slow release
Extended Control Extended Control
Area of Use Lawn

14. New Preen 21-64157 One Lawn Care Weed and FEED, 18 Lbs,Each

New Preen 21-64157 One Lawn Care Weed and FEED, 18 Lbs,Each

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Satisfied shopper
Ugaintx
AnnieRB

15. Vigoro 7 lb. 2,500 Sq. ft. Spring and Fall Weed and Feed Lawn Fertilizer

Vigoro 7 lb. 2,500 Sq. ft. Spring and Fall Weed and Feed Lawn Fertilizer

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Product Details

Specifications

Details
NPK Ratio 28-0-3
Emergent Type Pre and Post Emergent
Application Type Granular
Area of Use Lawn
Bag Weight (lb.) 7

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lab2022
Bunnylove77
Pdye107

16. PBI Gordon’s Pasture Pro Plus Weed & Feed – 2.5 gal jug

PBI Gordon's Pasture Pro Plus Weed & Feed - 2.5 gal jug

  • Concentrated formulation
  • 2,4-D-based herbicide combined with 15% nitrogen fertilizer
  • Eliminates listed weeds and fertilizes in one easy step
  • Treats up to 15,000 sq. ft. (pastures) and up to 20,000 sq. ft. (lawns)

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Specifications

Details
Length 8″
Width 5″
Height 15″

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TheeKat
terri0418
gayle10891

17. Vigoro 32 lbs. 10,000 Sq. ft. Weed and Feed Weed Killer Plus Lawn Fertilizer for Florida Grass Types

Vigoro 32 lbs. 10,000 Sq. ft. Weed and Feed Weed Killer Plus Lawn Fertilizer for Florida Grass Types

  • 32 lbs. 10,000 Sq. Ft

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Product Details

Specifications

Details
NPK Ratio 29-0-2
Season Use All-Season
Emergent Type Post-Emergent
Active Ingredients NPK
Application Method Spreader

18. IMAGE By Lilly Miller Casoron – Granules – 8 lb bag

IMAGE By Lilly Miller Casoron - Granules - 8 lb bag

  • Size: 3.6kg.
  • Ready to use.
  • One application for all seasons.
  • Prevents 52 weeds and grasses around established trees, and shrubs.
  • Ideal for use: Around roses and listed shrubs and trees.

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Product Details

Specifications

Details
Coverage Area 1700 sq ft
Targeted Weed Weed and Grass
Organic No
Product Form Granules
OMRI Certified No

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Karyne
Miller
Ninrnut

19. Gordon’s Liquid Weed & Feed Concentrate, 15-0-0, 2.5 gal., 7311122

Gordon's Liquid Weed & Feed Concentrate, 15-0-0, 2.5 gal., 7311122

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MartyinPA

20. Preen 21-64157 One Lawn Care Weed and FEED, 18 lbs

Preen 21-64157 One Lawn Care Weed and FEED, 18 lbs

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Conclusion

The conclusion of weed and feed for st augustine grass is that it is an effective way to kill weeds and fertilize your lawn at the same time. It is a fast and easy way to get rid of weeds and give your lawn the nutrients it needs to be healthy and green.

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