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does cornmeal keep weed seeds from germinating

Many people use corn gluten on their lawns, but it can be safely and effectively used in gardens as well. Using gluten cornmeal in gardens is a great way to keep weed seeds from sprouting and will not damage existing plants, shrubs, or trees. . If applied too early, it can prevent these seeds from sprouting.

What does cornmeal do for weeds?

The main ingredient in natural organic homemade weed killer is apple cider vinegar. Apple cider vinegar includes acetic acid, which kills weeds. As the apple cider vinegar mixed in water, this solution will effectively kill weeds.

What kind of vinegar kills weeds permanently?

However, cornmeal can still be useful to help prevent weeds.

Advice for the Home Gardener from the Help Desk of the
UC Master Gardener Program of Contra Costa County

Better weed control can be achieved by heavily mulching the area, which will prevent weed seeds from sprouting. At this time of the year, late winter, when many of our weeds have already come up, you can try hand-pulling or hoeing out the small weeds. They are always easiest to control when they are small. This link will give you great information from UC about weed management in the landscape: http://ipm.ucanr.edu/PMG/PESTNOTES/pn7441.html. The key to successfully reducing the weed problem in future years is to make sure none of this year’s weeds go to seed.

Client’s Request: I’ve heard that I can use yellow corn meal to control weeds. Is this doable and will it hurt the soil?