Fall corn gluten application

Asked August 3, 2019, 2:38 PM EDT

I applied corn gluten in the spring as a crab grass prevention. I understand this will take a few years. I understand it is to be applied in August and October. When in August and October? Should the soil be a certain temperature when this is done? We live in St. Paul. Also, in another area, where corn gluten will not be applied, we will be seeding the lawn. When should this be done in St. Paul? Thanks. Cathay Hoven

Ramsey County Minnesota

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