Corn Gluten and Broadleaf Weeds
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- Posts: 11
- Joined: April 23rd, 2018, 10:16 am
- Location: Eastern Massachusetts
- Grass Type: I don't know
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Corn Gluten and Broadleaf Weeds
I live in Massachusetts. I used corn gluten on my lawn for the first time this year, and so far so good. Almost no dandelions, and so far no crab grass. However, it appears to have had no effect on the broadleaf weeds in my yard.
Will this change as I continue to use CG, or is this something I just need to live with?
Thanks in advance.
Will this change as I continue to use CG, or is this something I just need to live with?
Thanks in advance.
- turf_toes
- Posts: 6042
- Joined: December 17th, 2008, 8:46 pm
- Location: Central NJ
- Grass Type: 77% Blueberry/23% Midnight Star KBG in front. Bewitched KBG monostand in back.
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Re: Corn Gluten and Broadleaf Weeds
Dandelions are a broad-leafed weed. But I think the efficiency of cornmeal Gluten is not great. It’s mostly hype, in my opinion.
- HoosierLawnGnome
- Posts: 9591
- Joined: May 22nd, 2013, 5:59 pm
- Location: Indianapolis, Indiana
- Grass Type: Blueberry KBG
- Lawn Size: 1 acre-2 acre
- Level: Advanced
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- Posts: 3871
- Joined: January 3rd, 2009, 2:28 am
- Location: Utah (Wasatch Front)
- Grass Type: Western, Streambank, Crested wheatgrass in front (with blue grama added in the heckstrips), sheep fescue in back; strawberry clovetr in both
- Lawn Size: 3000-5000
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Re: Corn Gluten and Broadleaf Weeds
I've never used corn gluten meal. The consensus among those who have seems to be that as a preemergent, it makes a good fertilizer.
The original research that found preemergent qualities used large amounts. If I remember correctly, it translated to about 40 lbs/1000 sq ft. I think it also needed to be used for several years before results started to be achieved. I'm not sure whether people who have tried it used enough or used it long enough to get the results that Iowa State University got. I think that the timing of application and the weather could also have a big impact on efficacy.
Also keep in mind that it won't have any effect on weeds that were already in the lawn. It only stops new weeds from germinating.
The original research that found preemergent qualities used large amounts. If I remember correctly, it translated to about 40 lbs/1000 sq ft. I think it also needed to be used for several years before results started to be achieved. I'm not sure whether people who have tried it used enough or used it long enough to get the results that Iowa State University got. I think that the timing of application and the weather could also have a big impact on efficacy.
Also keep in mind that it won't have any effect on weeds that were already in the lawn. It only stops new weeds from germinating.
- Dchall_San_Antonio
- Posts: 3339
- Joined: December 17th, 2008, 1:53 am
- Location: San Antonio, Texas
- Grass Type: St Augustine
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Re: Corn Gluten and Broadleaf Weeds
I tried it at 20 pounds per 1,000 square feet, every month for an entire lawn season and saw no appreciable change in weed pressure. I did; however, have the most beautiful lawn I've ever had.
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