Information from North Carolina State University professionals, including weed identification guide, pest and disease information, seasonal tips, and access to many publications.
Details what needs to be done around the yard at various times of the year, and provides other tips and tricks for lawn maintenance. From the University of Missouri Extension.
Article and guide from Iowa State University providing best practices for lawncare in the Midwest, including grass selection, use of organic fertilizers, mowing, thatching, and dealing with diseases and insect pests.