20 Best Pre Emergent For St Augustine Grass (2023 Updated)

Southern Ag Atrazine with 4. 0% atrazine controls many broadleaf weeds (emerged and from seeds) in St. It controls Florida Betony, Spurweed, Annual Bluegrass and many other problematic weeds. It also suppresses crabgrass.

Prodiamine. 58% Barricade Herbicide is for use in established turfgrass, lawns, sod nurseries, container ornamentals, feild grown ornamentals, landscape ornamentals, conifer nurseries, seedling nurseries, rights of way, roadways, roadsides, railways, equipment yards, tank farms, pumping stations, parking areas, storage areas, ungrazed fence rows, and christmas tree farms.

Barricade is applied with a broadcast spreader at a rate of 10 pounds per 5000 square feet. Barricade Herbicide by Nitrophos contains Prodiamine and is designed for the pre-emergent control of grassy and broadleaf weeds in established turfgrass and many other non-crop areas.

Barricade must be applied previous to the seed germination or following the removal of existing weeds in order to obtain control of target weeds.

Scotts, 5,000 SQFT Coverage, Halts Crabgrass Preventer, Highly Effective Crabgrass, Foxtail, Spurge & Oxalis Preventer, Prevents Crabgrass & Other Grassy Weeds In Dormant Lawns, Contains No Fertilizer, Apply January Through May.

Prevents crabgrass all seson long, Effective pre-emergent control of crabgrass, foxtail, spurge, oxalis and other grassy and broadleaf weeds. Coverage: 5,000 sq. ft. SKU 181750.

Controls both emerged weeds and weeds from seed in St Augustine and Centipedegrass. Controls henbit, dollarweed, chickweed, clover, sandspur, and others listed on label. Active ingredient: Atrazine. 1 quart covers 3720 square feet (5 teaspoons per 100 square feet).

Glyphosate-free.

The best way to control weeds in the garden is to prevent them from getting started in the first place. Preen Extended Control garden weed preventer has a specialized formula to keep weed seeds from starting.

1-easy application of Preen Extended Control Garden Weed Preventer keeps over 125 broadleaf and grassy weeds from sprouting for up to 6-months. Your garden will stay weed-free all season long. Weeds rob desirable plants of water and other nutrients.

Preen garden weed preventer stops weeds and eliminates time-consuming weed pulling chores. With Preen you will be free to enjoy a beautiful weed-free landscape.

Preen Garden Weed Preventer stops weeds from germinating in flower and vegetable gardens, in ground covers, and around trees and shrubs. Preen will not kill existing weeds. It will prevent new weeds from sproutingeliminating the need for difficult, continuous and time consuming hand weeding.

Without weeds, your valuable plants can grow larger and stronger. With Preen Garden Weed Preventer, you can stop weeds from growing in your landscape for up to 3 months. 13 lbs. covers 2,080 sq. ft.

Same active ingredient as Barricade 65 WDG for much less! Prodiamine 65 WDG (WG stands for Wettable Dispersible Granule) is an effective pre-emergent herbicide for pre-emergent grass and broadleaf weed control.

Prodiamine is flexible enough that it can be applied in both the spring and fall for season long crabgrass control. Prodiamine 65 WG also control bluegrass, spurge, witchgrass and more, and can be used safely on St.

Augustine, Bermudagrass, Fescue and other common turf grasses (see label for complete list). Prodiamine 65 WDG is non-staining and can be mixed and applied along with fertilizer and iron solutions.

Keep your lawn beautiful and free from weeds with Spectracide Weed Stop for Lawns Concentrate. This formula is specifically designed for use on St. Augustine and centipede grass, but it kills many other tough weeds, such as dollarweed and sandspurs.

This is a must-have product for any homeowner trying to eliminate unwanted plants around their home. This Spectracide concentrate works hard on weeds but won’t harm lawns. This weed killer comes in a 32 oz bottle with a convenient ready-to-spray nozzle that enables you to treat approximately 3,720 square feet of lawn.

Keep a bottle on hand to maintain your lawn all year long.

Apply in early spring to obtain control of pre-emerged and post-emerged weeds in Centipede, Zoysia, and St. For best results, lawn should be moist prior to application. After application, water well.

Do not use on Bermuda Grass or any type of Northern grasses. Analysis: 15-0-4 plus Atrazine.

Surflan Pro is a water based pre emergence seed killer. It is an effective pre-emergent seed and weed control on a broad spectrum of weeds and grasses.

Casoron granules Prevents 52 different weeds and grasses around established ornamental trees and shrubs fruit and nut trees and berries listed on label. On application, made as directed will give selective control of annual grassy and broadleaf weeds and certain perennial weeds.

Ready to use, 8 lbs.

Barricade Herbicide is a granular pre-emergent herbicide. This product is a flexible, broad-spectrum herbicide that can be used on many different grass types. It is used to prevent the germination and growth of grassy and broadleaf weeds in turf and gardens.

Image for St. Augustine grass and Centipede grass is a selective herbicide for tough broadleaf and grassy weed control. It contains a highly effective herbicide for weed control in St. Augustine and centipede grasses.

Image for St. Augustine grass and Centipede grass controls dollar-weed sandspur spurweed florida betony annual bluegrass (Poa annua) and many other problem weeds in St. Augustine grass and centipede grass turfs.

Covers 5,000 square feet, can be applied up to 4 weeks later than other crabgrass preventers. Prevents crabgrass, foxtail spurge and many other weeds. Prevents Poa Annua with later summer or early fall application.

Stops crabgrass all season and can be applied up to 4 weeks after crabgrass emerges. Prevents crabgrass and 40+ common lawn weeds Prevents crabgrass all season. Can be used on Creeping Bentgrass, Kentucky Bluegrass, Fine Fescue, Tall Fescue, Perennial Ryegrass, Bahiagrass, Bermudagrass, Buffalograss, Carpetgrass, Centipedegrass, St.

Augustinegrass, Zoysiagrass apply as directed.

Weeds can ruin a garden in a variety of ways. Weeds can hog all of the nutrients given out by your compost and soil causing your plants fruits and veggies to suffer as a result. Weeds can also crowd out your plants and confine them to a space that will not allow them to grow and flourish.

Concern Weed Prevention Plus for Gardens uses the power of Corn Gluten to prevent weeds from sprouting and robbing your plants of valuable nutrients. Stop weeds and dandelions before they start with this natural product! The Concern Weed Prevention Plus harnesses the power of corn gluten meal (100%) creating a powerful weed prevention fertilizer.

Up to 90% effective weed control in the first year on dandelions and crabgrass. For use in flower gardens vegetable gardens and in landscaped areas around trees shrubs and ornamentals. Concern Weed Prevention Plus is composed of 100% granulated corn gluten meal.

Children and pets can play on the lawn immediately after application. Since Concern Weed Prevention Plus kills only the root of sprouting seeds it can be used with confidence around established plants including transplants flower beds shrubs and roses.

When your flower or vegetable sprouts have true leaves it is safe to apply Weed Prevention Plus even up until the day of harvest.

Espoma Organic Weed Preventer Lawn Food 9-0-0 is an all-natural and organic lawn fertilizer that is specially formulated to prevent unwanted weeds like annual bluegrass, crabgrass and dandelions from growing in the lawn.

It is made from 100% corn gluten which provides a natural source of Nitrogen to plants and at the same time helps prevent weeds by constraining root development in seedlings. The Espoma plant food guarantees a safe and effective method in helping you grow a thicker and greener lawn while keeping the weeds away.

A 25-pound bag covers up to 2,500 sq. ft.

Take back control of lawns and landscapes with SpeedZone Southern EW broadleaf herbicide. It’s perfect for use on warm-season grasses like St. Augustine. This herbicide contains a powerful, fast-acting and effective formula for knocking down weeds within hours and removing them from the target area in less than two weeks.

For weeds that just won’t go away, treat them with SpeedZone Southern EW.

Preen Lawn Weed Control kills a wide range of lawn weeds, including dandelion, chickweed, knotweed, plantain, henbit, spurge, and many others commonly found in home lawns. Choosing weed killers for lawns can often be confusing and you might worry about burning your lawn.

But Preen Lawn Weed Controls formulation eliminates those concerns when used according to label directions. Choose Preen Lawn Weed Control and have a weed-free lawn.

Harnesses the power of corn gluten meal (82%), nitrogen (8%), phosphate (2%) and potash (4%), which combine to create a powerful weed prevention fertilizer. Up to 90% effective weed control in the first year on dandelions and crabgrass.

Concern is the leader in alternative lawn and garden products. Concern recognizes the growing demand by consumers for these products, offering a wide variety of natural and organic solutions for lawn, garden, landscape, flowers, houseplants, insects and more! 25lb bag covers 1500 square feet.

A pre-emergent weed killer containing corn gluten stops weeds before they germinate. If you’ve had problems with crabgrass, dandelions and other broadleaf weeds, then consider applying a pre-emergent herbicide, such as WOW! SUPREME, in the spring and again in late summer.

SUPREME also works as a fertilizer (sometimes called a weed-and-feed). This enables you to reduce broadleaf weeds and at the same time fertilize your yard. You can have a healthy, weed-free lawn the natural way.

WOW! Supreme works below the surface of the soil to prevent weeds, targeting them during germination. Supreme is our best-selling all-natural herbicide! In addition to controlling weeds like crabgrass and dandelion, this formula also contains an all-natural fertilizer for a healthier, greener, lusher lawn.

The cool weather in spring and fall creates prime germination conditions for perennial, broadleaf, and grassy weeds, so application at the beginning of these periods is critical. Apply a fall application anytime from mid-August until the first freezes.

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