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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A white bag of Lawn Synergy Starter 15-20-10 professional lawn fertilizer with green geometric accents and branding.

RECOMMENED NOW

Emerald 10-0-20

Tall Fescue, Kentucky Bluegrass, Zoysia, St. Augustine, and Centipede Lawns.
A white bag of Lawn Synergy Starter 15-20-10 professional lawn fertilizer with green geometric accents and branding.

RECOMMENED NOW

Almighty 20-0-10

Bermuda Lawns & Lawns needing more nitrogen.
A white bag of Lawn Synergy Starter 15-20-10 professional lawn fertilizer with green geometric accents and branding.

Seeding or Sod

Starter Fertilizer

The Key to Faster Germination & Stronger Roots

Organics Option

BioBoost

Build up organics within the soil while also feeding the lawn.

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Common spreader settings for various lawn products.
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Feed your lawn for season-long results.

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

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.

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Tall Fescue

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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.

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

Current Best Sellers

Headway G Fungicide 30 lb. Bag

Headway G Fungicide

$78.95

Prevent and cure disease
Emerald 10-0-20 Lawn fertilizer with iron

Emerald 10-0-20 Lawn Fertilizer

$39.99

Low nitrogen stress blend
Almighty 20-0-10 Lawn Fertilizer

Almighty 20-0-10 Lawn Fertilizer

$39.99

High nitrogen for growth
bifen 7.9F pint

Bifen 7.9F Insecticide

$29.95

Treats insects and mosquitos
Pro-Grade Products

Pro-Grade Products

Fast Shipping

Fast Shipping

DIY Friendly

DIY Friendly

Expert Support

Expert Support

Got Questions?

Frequently Asked.

Are these weed killers safe for tall fescue?

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

What’s the best weed killer for clover in tall fescue?

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.

What kills ground ivy or violets in tall fescue?

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

What kills nutsedge in tall fescue lawns?

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

Can Lawn Synergy help with product selection and mixing?

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