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Corn Gluten Organic Fertilizer 8-0-0 - 50 lbs

Item #: CG800-50

Our price: $65.95


This Corn Gluten Fertilizer is the only certified organic and non-GMO corn gluten available on the market. Apply year round to fertilize lawns and shrubs while preventing weeds from emerging. Your lawn will also develop deeper roots and require less watering. read more

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Our Price: $65.95


Corn Gluten contains 100% corn gluten, a naturally occurring substance, which inhibits the growth of a seed's tiny feeder roots. This causes the seedlings to die before they germinate. Since most weeds germinate by seeds, Corn Gluten will kill the seeds before they sprout.

Corn Gluten is a natural, non-toxic alternative to chemical-based 'weed n feed' lawn treatments.

Features & Benefits:

  • Organic fertilizer feeds lawns naturally
  • Will not burn plants, nutrients released over time
  • Helps build strong turf
  • Use for pre-emergent weed control
  • Comes in granular form
  • Easy to apply by hand or using a spreader
  • Safe and environmentally friendly
  • Meets National Organic Program (NOP) standards
  • OMRI certified for organic use
  • Made in the USA

Corn Gluten as Fertilizer

As a fertilizer, corn gluten meal is a rich natural source of nitrogen (8-0-0). Apply any time of year to fertilize your lawn, shrubs and transplants. Nitrogen is released steadily over a 3-4 month period after application. Nutrients come from organic corn gluten meal with 100% active ingredients. No animal manure or fillers.

To Prevent Weed Growth

Corn gluten also acts as a "pre-emergent" - it inhibits seed germination by drying out a seed as soon as it begins to sprout. These qualities make corn gluten a natural 'weed n feed' product.

Apply to lawns in spring, around when the forsythia and early spring bulbs are in bloom. Apply again to lawns any time in the fall. For transplants, apply corn gluten immediately after transplanting vegetables and shrubs to prevent weeds from sprouting in soil and competing with your plants. For best results, apply when there is no rain in the forecast for 48 hours.

Corn Gluten controls these common broadleaf weeds:

  • Dandelions, Clover, Crabgrass, Quackgrass, Curly Dock, Green Foxtail, Giant Foxtail, Pigweed, Black Nightshade, Orchardgrass, Black Medic, Barnyardgrass, Shattercane, Purslane, Wooly Cupgrass, Lambsquarters, Buckhorn Plantain, Creeping Bentgrass, Catchweed Bedstraw, Velvetleaf, Annual Bluegrass, and more.

How To Use:

Initial treatment: Apply 20 lbs per 1,000 square feet of lawn, garden or flowerbed area each Spring and Fall. Subsequent treatments: Apply 10 lbs per 1,000 square feet.

Corn gluten can be applied by hand or by using a spreader. The spreader setting depends on the brand of spreader, but for a Scott spreader, your setting should be 12 - 13. You can tell pretty easily once you start spreading if the setting is too high or low.

Do not apply corn gluten to recently seeded areas. Wait for 60 days after applying grass seed. Corn gluten will inhibit the growth of any newly germinated grass seeds.

Notes on use from Dr. Christians at Iowa State University:

Corn gluten meal works by inhibiting the root formation of germinating plants. It generally does not inhibit the roots of mature plants or transplants until your reach very high rates (80 pounds/1000 sq ft or higher). It should be applied before germination of the weeds. The weed will germinate and usually forms a shoot, but does not form a root. After germination, a short drying period is needed to kill the plants that have germinated but have not formed a root. Timing is critical. If it is too wet during germination, the plants will recover and form a root. (This is also true of chemical pre-emergence herbicides).

For best results, choose a time when rain isn’t predicted over the next few days, water it in well and allow it to dry out; seeds will try to sprout, then die. Don’t apply it if its going to rain non-stop for two weeks; you need a dry stretch after watering. It will remain effective for about 5 to 6 weeks following application. Corn gluten will kill all germinating seeds, including grass seeds, so you can’t sow a new lawn at the same time; wait six weeks for the gluten to lose its herbicidal effect.

It does not work well with seeded garden crops unless they are seeded deeply (radishes seem to be the exception and there may be others). Transplants or mature plants generally work well in beds treated with corn gluten. Some producers put down a band, work it into the upper inch of soil, and then put the transplant in the band.

In garden and crop production, growers generally work out their own system, depending on their understanding of the crop they are growing and the weeds they are trying to control.

Safe for People and Pets

This organic corn gluten is composed of 100% granulated corn gluten meal with nothing added, so children and pets can play on the lawn immediately after application. Corn gluten will not harm beneficial insects, soil organisms, pond or stream life.


Corn Gluten Meal is an organic fertilizer and natural weed control solution.

100% Satisfaction Guarantee

We want you to be completely satisfied with every purchase you make. If you are in any way dissatisfied with a product you ordered, we'll exchange it, replace it or refund your money within 30 days of purchase. Simply email us the problem, and we'll take care of you. Certain products have extended warranties (up to 50 years!) that are listed on the particular product page. Please call us at 1-888-451-6752 if you need further clarification.

Additional Information

Weight 50 lbs.
Coverage 3000 square feet
Key Feature Organic fertilizer (8-0-0) and pre-emergent weed control
Origin Made in the U.S.A.

Shipping Information

Shipping Details:
Insured against damage or loss while in transit
This Product Ships To:
US Lower 48
Ships Via:
Fedex or UPS

Questions about the Corn Gluten Organic Fertilizer 8-0-0 - 50 lbs

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  • From Courtney at 7/14/14 10:30 AM
    • Would this product benefit my vegetable garden plants?
    • Corn gluten will prevent seeds from germinating, including vegetable seeds. (Some larger seeds such as corn, beans and squash may grow through corn gluten in the soil.) Corn gluten will not harm established plants, and does have value as a fertilizer, but if you plan on sowing seeds in the months ahead then it's not a good idea to use corn gluten in vegetable beds. There are many other sources of nitrogen for vegetable gardens which are 'seed safe'.
    • Do you find this question helpful?  Yes  No
  • From Sara at 2/10/14 9:17 AM
    • We have 2 established asparagus beds which are over-run with the weeds listed as being susceptible to corn gluten meal. But what about our asparagus?
    • Corn gluten prevents new weeds from sprouting by drying them out as they germinate. Corn gluten does not eradicate existing weeds. For your asparagus beds, we suggest hand pulling the surface weeds, then mulching the bed, leaving a clear space above the root crowns where the new asparagus emerge. Presumably you have already clipped down last season's stalks to about 1" above the ground. These stubs help you know where not to mulch, since the new shoots will be coming from amid the stubs.
    • Do you find this question helpful?  Yes  No
  • From M.C. at 4/5/13 9:49 AM
    • Is this product in "unprocessed" or "granulated" form?
    • This product, Corn Gluten Organic Fertilizer 8-0-0, is in granulated form.
    • Do you find this question helpful?  Yes  No
  • From Susan at 3/12/12 7:21 AM
    • Is this product safe to use around already existing plants (i.e. raspberries, strawberries, other ornamental flowers in beds)?
    • Yes, this product is safe to use around any existing plants.
    • Do you find this question helpful?  Yes  No
  • From Jan at 3/1/12 2:14 PM
    • As non-GMO corn meal, is this product acceptable to use in certified organic gardens? Thanks?
    • Yes. this product is acceptable for certified organic gardens.
    • Do you find this question helpful?  Yes  No
  • From cindi at 11/13/11 9:33 PM
    • I have a greenhouse that I am trying to suppress weeds in.. Is this product safe to use in this emvironment
    • Yes, Bradfield Organics Corn Gluten Organic Fertilizer is entirely safe for use in greenhouses.
    • Do you find this question helpful?  Yes  No
  • From Diana Palumbo at 5/8/11 8:57 AM
    • I live on Long island and would like to clarify a schedule for application. If I plan on seeding my lawn in the fall I assume I would do that first in Sep? Would I then wait 60 days to apply the corn gluten meal? And then reverse the process in the spring? We are trying to build our lawn and kill the dandelions and crabgrass that are taking over. Thanks
    • Yes, you have the right idea with regards to scheduling corn gluten application. The fall application is intended to suppress hardy over-winter weeds. The spring application is more important because most weeds germinate in late winter and early spring. Your plan to seed in early September will give your new lawn time to get established, so you can focus on the weeds in spring. If you wait to seed until spring, it's a tigher window to try to supress weeds and still leave time for the new grass seeds to germinate and sprout.
    • Do you find this question helpful?  Yes  No
  • From Doug Boone at 4/6/11 9:46 AM
    • I have seen dogs eat corn gluten organic fertilizer. Is the product safe for dogs to eat?
    • Bradfield Organics Corn Gluten Organic Fertilizer is safe should the dog eat any of it. However, it's a waste of good fertilizer. Once corn gluten is applied, it should be wetted. This breaks down the granules and the dog will be less likely to try to eat it.
    • Do you find this question helpful?  Yes  No
  • From Jaime at 3/29/11 2:20 PM
    • Do you use a broadcast spreader with this and is so, what setting should be used?
    • Corn gluten can be broadcast by hand or by using a spreader. The spreader setting depends on the brand of spreader. A Scott spreader should be set at 12 - 13. You can tell pretty easily once you start spreading if the setting is too high or low.
    • Do you find this question helpful?  Yes  No
  • From John at 3/21/11 9:54 AM
    • How long after applying corn gluten do I have to wait before sowing grass seed?
    • Make sure you wait 60 days after application before spreading grass seed.
    • Do you find this question helpful?  Yes  No

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