10 Best Corn Gluten Pre Emergent of 2025

Tested and Reviewed: Top 10 Corn Gluten Pre Emergent deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

Espoma

Espoma Organic Weed Preventer Plus Lawn Food from 100% Corn Gluten Meal. Helps Prevent Weed Seed Establishment and Provides Organic nitrogen That Keeps lawns a deep Green Color. 25 lb. Bag

Editor's bottom line:

“This corn gluten pre emergent is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

CONTAINS: Espoma Organic Weed Preventer Plus Lawn Food is made from 100% corn gluten meal. No sludges or toxic ingredients.
USE FOR: Helps prevent weed seed establishment and provides organic nitrogen that keeps lawns a deep green color longer than conventional lawn foods. Prevents Common Weeds like Crabgrass and Dandelions.
WHEN / HOW TO USE: Use in the early Spring to help prevent crabgrass and other weeds. Apply with a drop or broadcast spreader.
COVERS: Weed Preventer rate for lawns: 20 lbs. per 1,000 sq. ft. covers up to 1,250 sq. ft. Feeding lawns: 10 lbs. per 1,000 sq. ft. covers up to 2,500 sq. ft.
MADE IN THE USA: Product of the Espoma Company

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Picked by 397 people today

9.5

The Environmental Factor

The Environmental Factor Green It Corn Gluten Weed Preventer. Ready-to-Spray Pre-Emergent Weed Control for Lawns, Gardens and Flower Beds - 64 oz

Main Highlights

NATURAL WEED PREVENTION - Effectively controls broadleaf and grassy weeds like dandelions and crabgrass before they sprout.
VERSATILE APPLICATION - Safe for use on lawns, vegetable and flower beds, and around trees and shrubs.
PATENTED WATER-SOLUBLE FORMULA - Delivers fast-acting, long-lasting protection against new weed growth.
EFFICIENT COVERAGE - Covers more area with less product compared to traditional granular corn gluten-based formulas.
PLANT-SAFE SOLUTION - Will not burn or harm existing flowers, plants, or shrubs, making it ideal for garden use.

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9.5

Old Cobblers Farm

Old Cobblers Farm™ Wicked Repellent Corn Gluten - Lawn Care for Healthy Grass,Pre-emergant, Ground-Breaking Formula with Pure Corn Gluten (5/10/15/20 lbs) (5 lbs)

Main Highlights

Organic Corn Gluten Fertilizer for Lawns, Plant Beds, and Gardening: Embrace the natural power of our organic corn gluten formula for comprehensive lawn care, plant beds, and gardening. This GMO-free and chemical-free fertilizer enriches the ground, fostering lush grass and thriving plants without harmful additives.
Weed-Free Lawns and Plant Beds with Pure Corn Gluten: Bid farewell to unwanted weeds in your lawn and plant beds. Our corn gluten acts as a pre-emergent herbicide, creating a weed-free environment while ensuring your grass and plants receive the natural care they deserve.
Non-GMO and Chemical-Free Lawn and Garden Care: Choose a responsible approach to lawn care and gardening. Our organic corn gluten is free from genetically modified organisms and harmful chemicals, making it a safe and eco-friendly choice for nurturing your lawn, plant beds, and garden.
Natural Ground Enrichment for Gardening: Nurture the ground beneath with our natural fertilizer. The corn gluten's nutrient-rich composition enhances the soil, providing a healthy foundation for your grass, plants, and gardening endeavors to thrive naturally.
Lush Grass, Healthy Ground, and Vibrant Plant Beds: Elevate your lawn care and gardening routine with our corn gluten fertilizer. It's the perfect solution for maintaining a vibrant, weed-free lawn, healthy plant beds, and cultivating a natural, nutrient-rich ground for sustainable and beautiful results.

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9.2

Save 10%

A.M. Leonard

DOW Snapshot 2.5 TG Granular Pre-emergent Herbicide

10% Off

Main Highlights

Snapshot 2.5 boasts more control than any other pre-emergent herbicide on the market
Up to 6-8 months of control for 111 broadleaf and grassy weeds
Application rate: 2.3 to 4.6 lb per 1000 square feet
Material must be applied before rainfall or irrigation
Broad Spectrum control of weeds and grasses using active ingredients isoxaben and trifluralin

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9.0

Old Cobblers Farm

Old Cobblers Farm™ Wicked Repellent Corn Gluten - Lawn Care for Healthy Grass,Pre-emergant, Ground-Breaking Formula with Pure Corn Gluten (5/10/15/20 lbs) (20 lbs)

Main Highlights

Embrace the natural power of our corn gluten

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8.8

Old Cobblers Farm

Old Cobblers Farm™ Wicked Repellent Corn Gluten - Lawn Care for Healthy Grass,Pre-emergant, Ground-Breaking Formula with Pure Corn Gluten (5/10/15/20 lbs) (20 lbs) (15 lbs)

Main Highlights

Organic Corn Gluten Fertilizer for Lawns, Plant Beds, and Gardening: Embrace the natural power of our organic corn gluten formula for comprehensive lawn care, plant beds, and gardening. This GMO-free and chemical-free fertilizer enriches the ground, fostering lush grass and thriving plants without harmful additives.
Weed-Free Lawns and Plant Beds with Pure Corn Gluten: Bid farewell to unwanted weeds in your lawn and plant beds. Our corn gluten acts as a pre-emergent herbicide, creating a weed-free environment while ensuring your grass and plants receive the natural care they deserve.
Non-GMO and Chemical-Free Lawn and Garden Care: Choose a responsible approach to lawn care and gardening. Our organic corn gluten is free from genetically modified organisms and harmful chemicals, making it a safe and eco-friendly choice for nurturing your lawn, plant beds, and garden.
Natural Ground Enrichment for Gardening: Nurture the ground beneath with our natural fertilizer. The corn gluten's nutrient-rich composition enhances the soil, providing a healthy foundation for your grass, plants, and gardening endeavors to thrive naturally.
Lush Grass, Healthy Ground, and Vibrant Plant Beds: Elevate your lawn care and gardening routine with our corn gluten fertilizer. It's the perfect solution for maintaining a vibrant, weed-free lawn, healthy plant beds, and cultivating a natural, nutrient-rich ground for sustainable and beautiful results.

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8.6

The Andersons

The Andersons Barricade Professional-Grade Granular Pre-Emergent Weed Control - Covers up to 5,800 sq ft (18 lb)

Main Highlights

Designed to prevent weeds; will not aid in eliminating existing weeds. Prevents grassy and broadleaf weeds, including crabgrass, poa annua, goosegrass, henbit, and more.
Contains 0.48% of the active ingredient prodiamine for professional-grade weed control for early spring and fall applications
Made with patented DG Technology (dispersible granule) ensures granules dissolve rapidly upon watering, moving weed control directly into the soil for maximum impact
Small particles for more coverage per square inch and superior performance
Made in the USA

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8.3

Walt's Organic Fertilizer Co.

Walt's Corn Gluten Meal (10 LB)

Main Highlights

Excellent source of nitrogen
Lawn fertilizer
Typical analysis 9-0-0
Deluxe soil conditioner

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8.1

CZ Grain

Corn Gluten Meal – 10 lb Bag, Natural Lawn Fertilizer and Nitrogen Source and High-Protein Feed Supplement for Poultry, Livestock & Wildlife

Main Highlights

Many uses in the garden and yard.
Great feed for animals and lovestock.
High in protein, and low in fat. The way nature attended
Grown, Cleaned, Inspected in Iowa, USA

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Best Value

8.1

Save 37%

Preen

Preen Extended Control Weed Preventer - 4.93 lb. Bottle - Covers 805 sq. ft.

37% Off

Main Highlights

One 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
Flip-top applicator cap makes it easy to apply
Not intended for use on flower seeds, lawns, vegetable gardens, water gardens or other food-producing or edible plants
Not available for sale in NY
4.93 lb. covers 805 sq. ft.

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Our Best Overall Choice

Best Choice

9.7

Espoma

Espoma Organic Weed Preventer Plus Lawn Food from 100% Corn Gluten Meal. Helps Prevent Weed Seed Establishment and Provides Organic nitrogen That Keeps lawns a deep Green Color. 25 lb. Bag

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

CONTAINS: Espoma Organic Weed Preventer Plus Lawn Food is made from 100% corn gluten meal. No sludges or toxic ingredients.
USE FOR: Helps prevent weed seed establishment and provides organic nitrogen that keeps lawns a deep green color longer than conventional lawn foods. Prevents Common Weeds like Crabgrass and Dandelions.
WHEN / HOW TO USE: Use in the early Spring to help prevent crabgrass and other weeds. Apply with a drop or broadcast spreader.
COVERS: Weed Preventer rate for lawns: 20 lbs. per 1,000 sq. ft. covers up to 1,250 sq. ft. Feeding lawns: 10 lbs. per 1,000 sq. ft. covers up to 2,500 sq. ft.
MADE IN THE USA: Product of the Espoma Company

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