Weed Killer For Tall Fescue Lawns

Weed Killer For Tall Fescue Lawns

Find the right herbicide for your fescue yard, including selective weed killers for broadleaf weeds, sedges, and grassy weeds, plus spray additives to improve coverage and results.

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  • Speed Zone Weed Killer

    Fast-acting liquid weed control designed to kill tough broadleaf weeds

    SpeedZone Weed Killer

    Fast-acting liquid weed control designed to kill tough broadleaf weeds

    Starting at $56.95
    Starting at $56.95
  • T-zone weed killer

    Post-emergent control for tough broadleaf weeds in lawns

    T-Zone SE Weed Killer

    Post-emergent control for tough broadleaf weeds in lawns

    Starting at $44.99
    Starting at $44.99
  • Q4 PLUS TURF HERBICIDE WEED KILLER FOR BROADLEAF WEEDS AND SEDGES AND GRASSY WEEDS

    All-in-one weed killer for crabgrass, yellow nutsedge, and broadleaf weeds in lawns.

    Sale

    Q4 Plus Weed Control

    All-in-one weed killer for crabgrass, yellow nutsedge, and broadleaf weeds in lawns.

    Starting at $56.95
    Starting at $56.95
    Sale
  • spray booster Non-Ionic Surfactant for Better Weed Control

    Improves spray coverage and herbicide performance

    Spreader Sticker Spray Booster Surfactant

    Improves spray coverage and herbicide performance

    Starting at $17.95
    Starting at $17.95
  • Sedgehammer Plus Weed Control EZ Packet

    Targeted Post-Emergent Control for Yellow and Purple Nutsedge.

    Sale

    Sedgehammer Plus Weed Control

    Targeted Post-Emergent Control for Yellow and Purple Nutsedge.

    Starting at $18.90
    Starting at $18.90
    Sale
  • Triad SELECT Broadleaf Herbicide 1 Quart

    Professional 3-Way Broadleaf Weed Control for Cool Season Lawns

    Triad Select Selective Herbicide – 3-Way Broadleaf Control

    Professional 3-Way Broadleaf Weed Control for Cool Season Lawns

    Starting at $39.95
    Starting at $39.95
  • Trimec-granular-weed-killer

    Granular weed killer for dandelions, clover, and broadleaf weeds

    Granular Broadleaf Weed Killer

    Granular weed killer for dandelions, clover, and broadleaf weeds

    Starting at $49.99
    Starting at $49.99
  • Drexel De-Amine 4 Herbicide

    Economical 2,4-D solution for controlling common broadleaf weeds in established turf.

    Drexel De-Amine 4 Herbicide

    Economical 2,4-D solution for controlling common broadleaf weeds in established turf.

    Starting at $24.95
    Starting at $24.95
  • LESCO Three-Way Broadleaf Liquid Weed Control 1 Gallon

    Controls dandelions, clover, and broadleaf weeds in lawns

    LESCO Three-Way Broadleaf Liquid Weed Control

    Controls dandelions, clover, and broadleaf weeds in lawns

    Starting at $94.99
    Starting at $94.99
  • LESCO Three-Way Weed Control | Quick Spray Foam Can - 20 oz.

    Ready-to-use foaming spray for quick spot treatment of broadleaf weeds in lawns.

    LESCO Three-Way Selective Spot Weeder with Foaming Action

    Ready-to-use foaming spray for quick spot treatment of broadleaf weeds in lawns.

    Starting at $26.95
    Starting at $26.95
  • Vexis Herbicide Granular

    Controls nutsedge without spraying

    Vexis Herbicide Granular

    Controls nutsedge without spraying

    Starting at $42.95
    Starting at $42.95
  • Quintessential Weed Killer

    Kills crabgrass fast!

    Quintessential Weed Killer

    Kills crabgrass fast!

    Starting at $74.99
    Starting at $74.99
  • Ornamec 170 Grass Herbicide Quart

    Selective grass killer for removing Bermudagrass from fescue, zoysia, and landscape beds.

    Ornamec 170 Grass Herbicide – Selective Bermudagrass Control

    Selective grass killer for removing Bermudagrass from fescue, zoysia, and landscape beds.

    Starting at $49.94
    Starting at $49.94
  • fusilade remove bermuda grass in tall fescue

    Best for removing Bermudagrass and grassy weeds from fescue, zoysia, and ornamental beds.

    Sold out

    Fusilade II Turf & Ornamental Herbicide – Selective Grass Weed Control

    Best for removing Bermudagrass and grassy weeds from fescue, zoysia, and ornamental beds.

    Starting at $93.78
    Starting at $93.78
    Sold out
  • Lesco Triclopyr 4 Ester Quart

    Enhanced bermuda grass suppression in tall fescue lawns

    Sold out

    Lesco Triclopyr 4 Ester

    Enhanced bermuda grass suppression in tall fescue lawns

    Starting at $62.99
    Starting at $62.99
    Sold out
  • lesco quinway

    Controls crabgrass and grassy weeds in cool-season lawns

    LESCO Quin-Way 1.5L Herbicide (64 oz)

    Controls crabgrass and grassy weeds in cool-season lawns

    Starting at $84.99
    Starting at $84.99

Weed Killer for Tall Fescue Lawns — Tall fescue is a durable cool-season grass, but choosing the wrong weed killer can thin or damage your lawn. This collection features selective herbicides that work great on tall fescue, helping you control weeds safely and effectively when applied as directed.

From clover and dandelions to crabgrass, ground ivy, nutsedge, and unwanted grasses, these professional-grade weed killers are trusted by lawn care pros and serious DIY homeowners. You’ll also find spray additives that improve coverage, absorption, and overall weed control.

When you buy from Lawn Synergy, you also get expert support. If you’re unsure which product to choose or how to mix and apply it, our team can help with product selection, mixing instructions, timing, and best practices.

Weeds This Collection Helps Control in Tall Fescue

  • Broadleaf weeds: dandelion, clover, chickweed, plantain, ground ivy (creeping charlie)
  • Sedges: yellow nutsedge and other sedge species
  • Grassy weeds: crabgrass, goosegrass, unwanted grasses
  • Tough weeds: violets, oxalis, wild onion, and deep-rooted broadleaf weeds

Quick Guide: Pick the Right Weed Killer

Weed Problem Great Product Options Why It Works
Clover, Dandelions & Broadleaf Weeds Triad Select, T-Zone SE, Q4 Plus, Lesco 3-Way, De-Amine 4, Trimec (granular) Selective broadleaf herbicides that target weeds while protecting tall fescue
Ground Ivy (Creeping Charlie) & Violets Triclopyr 4 Ester, T-Zone SE, Q4 Plus Triclopyr-based options penetrate waxy leaves and deep root systems
Nutsedge SedgeHammer, Vexis(granular), Q4 Plus Targets sedges specifically and is widely used on cool-season lawns
Crabgrass & Some Grassy Weeds Q4 Plus, Quintessential Strong post-emergent option for crabgrass control in many turf scenarios
Unwanted Grasses (Specialty Use) Fusilade II, Ornamec, Ethofumasate, Vexis Specialty herbicides for specific grassy weed situations—selection and timing matter
Better Coverage & Better Results Spray Booster Helps sprays stick and spread for improved absorption and performance

Weed Killer For Tall Fescue Lawns

Frequently Asked Questions

Yes. These products are commonly used on tall fescue when applied according to label directions.

Triad Select, Lesco 3-Way, De-Amine 4, and T-Zone SE are excellent options. Make sure you add in Spray Booster as it will greatly increase effectiveness on clover.

Products containing triclopyr, such as Triclopyr 4 Ester and T-Zone SE, are often the best choice.

SedgeHammer, Vexis, and Q4 Plus are trusted options for sedge control.

Yes. Our team offers expert support to help you choose and apply the right product.

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How It Works

Choose Your Lawn
1

Choose Your Lawn

Tell us your lawn type and goals.

Get Your Program
2

Get Your Program

We recommend the right products and timing.

Apply With Confidence
3

Apply With Confidence

Simple steps for a thicker, greener lawn.

Choose Your Lawn
1
Choose Your Lawn

Tell us your lawn type and goals.

Get Your Program
2
Get Your Program

We recommend the right products and timing.

Apply With Confidence
3
Apply With Confidence

Simple steps for a thicker, greener lawn.

Shop by Category

A white bag of Lawn Synergy Envy Premium Tall Fescue Blend grass seed, featuring green and dark gray branding and product details.

Grass Seed

Clean weed-free seed for an ultra-dark green lawn.

Lawn Fertilizer

Feed your lawn for season-long results.

Weed Control

Clean up pesky weeds that don't belong in your lawn.

Fungicide

Prevent and cure disease in your lawn and ornamentals.

Insecticide

Don't let insects destroy your lawn. Treat ticks mosquitos, and more.

Shop By Lawn Type

Tall Fescue

Bermuda

Zoysia

St. Augustine

Centipede

Northern Lawns

Pro-Grade Products

Pro-Grade Products

Fast Shipping

Fast Shipping

DIY Friendly

DIY Friendly

Expert Support

Expert Support