Best Southern Ag Weed Killers in 2026

Kills tough weeds and grasses to the root

Rainproof in 30 minutes

For all your home and garden needs - Controlling Insects and Weeds or Cleaning Decks and Siding; Easy one-step assembly. Fill, pressurize, and spray.

Use with most pesticides to improve results

Don't let brown spots or mildew block your path to a beautiful yard; Scotts DiseaseEx Lawn Fungicide is a fast-acting formula that stops and prevents 26 common lawn-blemishing diseases

PREVENTS AND CONTROLS: This lawn fungus treatment is preventative when used on lawns to control brown spots and rings before they appear, and curative when applied on lawns showing signs of disease

CURES 26 LAWN DISEASE TYPES: Offers broad spectrum disease prevention and control against Brown Patch, Stem and Stripe Rust, Red Thread, Powdery Mildew, Necrotic Ring Spot, Summer Patch, Yellow Patch and more listed diseases

Scotts Turf Builder Weed & Feed5 weed killer plus fertilizer kills existing weeds and feeds to thicken your lawn and crowd out future weeds

Apply when weeds are actively growing and daytime temperatures are between 60°F and 90°F

Controls over 50 listed lawn weeds, including clover, dandelion, plantain, morningglory, chicory, eveningprimrose, and purslane

Ortho GroundClear Year Long Vegetation Killer1 is a concentrate formula that kills weeds and prevents any re-growth for up to 1 year with a single application

Fast-acting formula starts working immediately

Starts to kill weeds and grasses in 3 hours

Kills weeds and prevents weeds for up to 1 year

Treats 43,243 square feet

Ideal for fence rows, gravel paths, sidewalks, driveways, parking areas and around farm buildings and barns

CERTIFIED FOR ORGANIC USE — Completely eliminates and desiccates weeds and grasses without using toxic chemicals. Made straight from corn grown in the USA. OMRI listed weed killer and certified for organic use.

KILLS WEEDS FAST — Eliminate any type of weed in just a matter of hours. Expect full desiccation in less than 24 hours. Green Gobbler contains 20% acetic acid. Use on crabgrass, dandelions, clover weeds, white clover, moss, etc.

POWERFUL FORMULA — NO cancer-causing chemicals. Glyphosate-free. 20% formula is four times stronger than traditional table vinegar. Made strictly from ethanol distilled from corn grain.

EXTENDED WEED AND GRASS CONTROL: Kills all types of weeds and grasses down to the root, and prevents weeds from coming back for up to 5 months

QUICK-KILL FORMULA: Visible results in as fast as 3 hours

RAINFAST: Rainfall or watering 15 minutes after application will not wash away effectiveness

Razor-Sharp Blades Remove Aquatic Vegetation: Quickly shear through your pond weeds with the innovative V-shaped blades. Cuts a 30-inch-wide path, making quick work of submerged weeds and algae.

Easy to Use: Weighing just six pounds, the Weed Razer is light enough to be thrown far and often but heavy enough to sink to the bottom and cut pond weeds at their base. Includes 5-foot long handle.

Keeps Your Shoreline and Dock Accessible: Enjoy your lakefront property with unimpeded access to outdoor water sports, including swimming, boating, fishing, duck hunting or simply enjoying the view.

1 application blocks weeds up to 6 months

When used as directed Preen Extended Control Weed Preventer can be used around more than 600 perennials, groundcovers, shrubs and trees as listed on the product label

Applicator scoop included

Roundup Super Concentrate Weed & Grass Killer is a great value for large areas

Rainproof in 30 minutes

Weeds usually yellow and wilt as fast as 2-4 days

Glyphosate 73.3%, Diquat 2.9%

Roundup QuickPro Herbicide is for use anywhere there is undesirable vegetation. Extra care should be taken to ensure that non-target vegetation is protected from any drift.

The mix rate for Roundup QuikPro is 1.5 ounces per gallon of water.

Product 1: Use anytime during the spring, summer, or fall in flower and ornamental garden beds, around ground covers, trees, and shrubs

Product 1: It prevents weeds and feeds plants in one easy step

Product 1: Balanced fertilizer promotes abundant blooms, increased yields and strong root development

For all your home and garden needs - Controlling Insects and Weeds or Cleaning Decks and Siding; Easy one-step assembly. Fill, pressurize, and spray.

Safe, pressure release cap sends vapors and liquids down and away before top is opened.

Kills and prevents weeds for up to 12 months by creating an invisible barrier in the soil

Temporary formulation - will not permanently stain treated surfaces

Non toxic to people, animals and the local environment

Can be used inside and outside the home

Effective: Kills cut stumps on fence lines&non-cropland areas. Control unwanted trees by cut surface treatments in forest&non-crop areas such as fence rows, roadsides&rights-of-way

Visible results in hours - Reseed in just two weeks

Covers from 14,000 to 18,000 square feet - perfect for large property owners

Rapid and effective weed control for common and troublesome weed species in turfgrass

NOT For Sale In: AK, CA, DC, FL, RI, PR

Effective: Kills cut stumps on fence lines&non-cropland areas. Control unwanted trees by cut surface treatments in forest&non-crop areas such as fence rows, roadsides&rights-of-way

Superior Results: Keeps more than 20 woody species at bay. It translocates into the tree's root system to stop resprouts

Easily Marks Grass and Lawns

Works great with herbicides as well as fertilizers & insecticides

Has a blue colorant that indicates where you have applied a chemical spray

Product 1: Eliminates weeds at seedlings so new grass can flourish.

Product 1: Brand name: Syngenta

Product 1: Made in United States

Triclopyr 4 Herbicide is a herbicide for control of woody plants, annuals and perennial broadleaf weeds in forests, grass pastures, rangeland, CRP acres, rights-of-way, and in non-crop areas and ornamental turf, industrial sites and non-irrigation ditch banks.

Weed killer controls grasses, broadleaf weeds and woody brush species. Do not use on lawns.

Contains a double-surfactant formulation that dries on plant fast to start working quickly.

Allows you to cover and treat large areas. 1 gal. covers up to 25,600 sq ft.

Post-emergent control - thistledown is a full-strength herbicide based on the active ingredient clopyralid, and is designed to control actively growing broadleaf weeds and thistle in a range, pasture, and other non-crop areas.

Weed Killer - weeds controlled by thistledown include Canada thistle, musk thistle, star thistle, and knapweed. It can also be used to control kudzu, dandelion, and Oxalis.

Avoid ornamentals and vegetables - most vegetable plants and ornamentals are susceptible, so be wary of where you are using the product. Do not apply thistledown on ditches containing irrigation water.

Sulfentrazone - 60% Metsulfuron-methyl - 6%

Convenient tip and measure package with a dosing chamber that accurately dispenses enough product

For use in Turf Including Residential, Commercial and Institutional Lawns, Athletic Fields, Commercial Sod Farms, Golf Courses (Fairways and Roughs), and Other Non-crop Sites Cool-Season grass: Kentucky Bluegrass, Tall Fescue Warm-Season grass: Bermuda grass and hybrids, Centipede grass, St. Augustine grass, Zoysia grass

Triclopyr 61.6%

Triclopyr 4 can be used similar to Garlon 4 to control brush and trees in pastures, rangelands, right of ways, lawns, golf courses, sod farms, industrial properties, and ditches

The mix rate for triclopyr is 3.2oz to 6.4oz per gallon. Triclopyr is more effective if mixed with a bark penetrent like methylated seed oil.

Eliminates weeds at seedlings so new grass can flourish.

Tenacity is a systemic pre-emergence and post-emergence herbicide for the selective contact and residual control of weeds in turfgrasses.

When applied as a pre-emergent, weeds absorb Tenacity during emergence from the soil.

Tenacity is a systemic pre-emergence and post-emergence herbicide for the selective contact and residual control of weeds in turfgrasses.

When applied as a pre-emergent, weeds absorb Tenacity during emergence from the soil.

Target pests: Barnyardgrass, Carpetweed, Chickweed, Clover, Crabgrass (large & smooth), Dandelion, Foxtail, Goosegrass, Henbit, Yellow Nutsedge, Purslane, Thistle, Wild Carrot and others

Makes up to 42 gallons to ready-to-use spray solution

Treats up to 12, 600 Square feet

Visible results in 12 hours

Exclusive formula combines 2 brush-killing ingredients

Specially formulated to penetrate the waxy leaves of hard-to-kill weeds and brush

For all your home and garden needs - Controlling Insects and Weeds or Cleaning Decks and Siding; Easy one-step assembly. Fill, pressurize, and spray.

KILLS WEEDS, NOT THE LAWN - Sedge Ender Weed Control kills yellow nutsedge, crabgrass, goosegrass, foxtail, and other grassy weeds down to their roots.

COMPLETE GRASS COVERAGE - Safe to use on both warm and cool season grasses such as bluegrass, ryegrass, fescue, Bermuda grass, and carpetgrass.

PRE AND POST EMERGENT CONTROL - Product is designed for application before or after weeds have sprouted. It kills the roots and shoots of existing weeds while preventing the growth of newly emerged weed seedlings.