Mulching is a wonderful thing… Not only does it block weeds, but it provides nutrients and moisture to the soil. Check out this article from Organic Gardening Magazine. And this one from Mother Earth News.
The pile of grass out front of the garden is for anyone, so feel free to use it! It comes from untreated areas of Metzgar Fields. (the hay bales were purchased for use in the student garden, though, sorry!)