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Espoma Organic Weed Preventer - 25 lb. CGP25

4.0 out of 5 stars 48 customer reviews
| 21 answered questions

List Price: $43.87
Price: $38.94 & FREE Shipping on orders over $49. Details
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  • Made from corn gluten meal
  • Feeds lawns to ensure a deep, green color and prevents weeds by inhibiting root development in seedlings
  • Apply twice per year, early spring and fall
  • Granulated for easy application, Espoma Organic Weed Preventer provides long lasting nitrogen for a thicker, greener lawn
  • Children and pets can safely play on lawn after application.
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$38.94 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Espoma Organic Weed Preventer - 25 lb. CGP25
  • +
  • Espoma ELF20 20-Pound Organic All Season Lawn Food
  • +
  • Safer Brand 9333 Ringer Lawn Fertilizer - 25 Pounds
Total price: $106.01
Buy the selected items together

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Product Description

Package Quantity: 1

Product Description

ESPOMA ORGANIC WEED PREVENTER *25 lbs. Made from 100% corn gluten meal. Granulated for easy spreading. Prevents crabgrass, dandelions and other problem weeds in the lawn while it feeds. The natural way to a weed free lawn. Coverage up to 1250 square feet. Safe for people, pets and the environment. Adds long lasting slow release NitrogenEspoma Organic Weed Preventer, 100% Pure Granulated Corn Gluten, Prevents Establishment Of Weeds Including Crabgrass & Dandelions.

From the Manufacturer

Made from corn gluten meal, an all natural by-product from the manufacturing of cornstarch, Espoma Organic Weed Preventer feeds lawns to ensure a deep, green color and prevents weeds, including crab grass and dandelions, by inhibiting root development in seedlings. Children and pets can safely play on the lawn after the application. Apply twice per year, early spring and fall. Granulated for easy application, Espoma Organic Weed Preventer provides long lasting nitrogen for a thicker, greener lawn. Derived from: corn gluten meal and contains 8.23% slow release nitrogen. 25 lbs. covers 1,250 sq. ft.

Product Information

Package Quantity:1
Product Dimensions 23 x 15 x 4 inches
Item Weight 26 pounds
Shipping Weight 26.2 pounds (View shipping rates and policies)
Department Teak
Manufacturer Espoma
ASIN B001AWCVWM
Domestic Shipping Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
International Shipping This item is not eligible for international shipping. Learn More
Item model number CGP25
Customer Reviews
4.0 out of 5 stars 48 customer reviews

4.0 out of 5 stars
Best Sellers Rank #19,046 in Home and Kitchen (See Top 100 in Home and Kitchen)
#682 in Patio, Lawn & Garden > Gardening > Soils, Fertilizers & Mulches > Fertilizers & Plant Food

Warranty & Support

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Important Information

Ingredients

Corn Gluten Meal.


Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Item Package Quantity: 1
This product is composed of 100% corn meal gluten. Corn meal gluten is a non-selective pre-emergent herbicide which also has naturally occuring nitrogen as well, so it makes it a great product to put on your lawn in the fall, BEFORE the weeds start growing.

Being a non-selective pre-emergent herbicide means that it keeps ALL seeds from germinating. This means that it needs to be applied to lawns that are already esablished, and care needs to be taken to not apply it where seeds have been planted which you want to grow.

As a fertilizer, corn meal gluten is rated at N-P-K ratio of 9-1-0, or 10% nitrogen by weight.

It should be applied at a rate of 20-40 lbs per 1,000 ft-sq. Rates above 80 lbs per ft-square will interfere with the growth of healty plants and grass, so don't go above 40. I used 20 and had good results.

Corn meal gluten is not 100% effective either. On first application, it is around 60% effective, but that goes up to a maximum of about 80% after multiple applications, about 4-6 weeks apart.

Corn meal gluten needs to be watered lightly after use and allowed to dry after, so don't apply it if rain is forecast before the lawn can dry.

It must also be said that if you already see weeds growing in your lawn, it is too late for this product, at least as a weed killer. It will still prevent more weeds from germinating, and it will fertilize the soil, as well as helping to make future applications more effective.

So, you will still see some weeds with this product, but because you are not damaging the soil, and are making your lawn healthier, there will be fewer weeds just due to the thicker grass.
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You have to use this product properly or you will end up disappointed. My advice is to buy a Product such as Agway's Stage 1 and Stage 2 Fertilizer w/ Crabgrass and Weed Killers. Stage 1 concentrates on crabgrass control w/ herbicides. Stage 2 concentrates on dandelions and other broadleafs with a follow up crabgrass application. THEN YOU ARE READY TO USE THIS PRODUCT. If crabgrass has permeated your lawn, it's 99% of the time corn gluten is too late to apply and make a difference. Apply the Agway Stage 1 on March 1st thru 15th, apply Agway Stage 2 on April 15th. Now you've doused your lawn with the correct herbicides to take back your lawn, now you are ready for this organic solution. Put this product down on May 15th, reapply it on June 15th, you will be rewarded by applying organic material which feeds your soil, not just the roots of your grass. Don't seed that year until the fall, and don't use this product within 75 days of applying seed. Year 2 you are set to just use this productaround March 15th and again around November 1. Remember in the Northeast, your lawn is best seeded on June 1st, and again around September 15th. This product removes around 60% of the crabgrass it encounters in your lawn on 1st application. Re-applications eventually bring its efficiency up to 95%. Try using just this alone, you will spend years trying to bring your lawn's weed problems under control. Give the lawn an herbicide treatment first, then this product really shines. If you go this route, use organic fertilizers in Years 2 and beyond, maybe a month after applications of this product.
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Been using this in the fall and spring when the bulbs start to come up for about 5 years now. I seem to have greener grass and less weeds than my neighbors. Still have to pull some dandelions periodically. I use a handheld broadcaster spreader for application. Yellow dust gets all over you, but I am happy it is not chemical based. This is expensive and difficult to find locally. Every year I have to convince myself it's worth it to have an industrial chemical free lawn and am not polluting the lake downhill from the yard. In my experience, this must be used for more than 1 year to see results.
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Had a substantial amount of crabgrass the prior year and it was starting to spread. I really didn't want to use chemicals and was looking for an organic solution. This fit the bill. I spread it over my lawn in early spring before the crabgrass had a chance to germinate and I noted a 89-90% reduction in crabgrass throughout on top of that the lawn looked thicker and greener than ever. Very pleased and will use it again next year.
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Item Package Quantity: 1 Verified Purchase
Corn gluten does provide weed control, but I'm still pulling weeds. It's just not as many as last spring. I do prefer organic methods and I'm going to continue to use Espoma Organic Weed Preventer to see if I can gain control of a yard over run with weeds.
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Having applied this product multiple years now; the number of weeds spread by seed has gone way down in our yard. The remaining weeds are all those that spread via roots or other means outside of a seed. We apply it in early spring when soil temps get to 65 and then again in the fall. I also have snuck a cup of it into my sweet corn patch after the plants get going to suppress weeds and provide a good nitrogen boost.

It's important for buyers to understand how and why this product works. It targets emerging seedlings killing off the delicate root hairs that a young plant forms. It is not a contact killer on established weeds! If you do not apply this during times when weeds are germinating then it won't be effective. The good news is that the same time common spring and fall weeds are germinating is the same time it is best to apply fertilizer which this product doubles as. Do a little research on proper application of this product before purchase and you will be satisfied; I promise.
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