Spray your weeds with diluted vinegar.not only will it kill them, but the plants and soil love it. Read how here, and see the before and after pictures. I just learned about this in my winter gardening class the other day and the teacher has done it for
Blazing star liatris (Liatris spicata Floristan) Common Names: Blazing Star, Liatris, Gay Feather. Zone: Full to Partial Sun HT: inches (tall). Blooms Early Summer-Late Fall Excellent cut flowers, attracts butterflys and hummingbirds, deer resistant.