When to apply corn gluten to your lawn
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March 17, 2012 — Does a warm winter require you to make changes in your typical crabgrass prevention timing? Mike McGrath asks the expert when you should put your corn gluten down. Plus: chemical-free answers to all your growing questions.
Mike: Our Master Gardener program was hoping to use corn gluten to stop weed seeds, but it looks like the quantities we’d need would be very expensive. A cheaper type is sold by local farm stores in the form of pellets; one place ground some up for us, but it didn't seem to have much effect on pre-emerging weeds. Is there a difference between these pellets and the products at garden supply stores? Get the answer »
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