What plants will out compete grass?

I'm trying to get rid of the grass on a slope. I've ordered some groundcover raspberries and need to know what else to plant with them. Digging all the grass out would invite erosion. It's too steep to sheet mulch. read more

Buffalo grass may need up to 5 or 6 years to get fully established, but it also has the ability to spread through stolons, while the blue grama is a bunchgrass; it takes hold a little faster but has very short stolons, so it will leave little open dirt spaces between the plants - perfect for the buffalo grass to fill in when it finally gets going. read more

Wild carrot A.K.A. Queen Anne's Lace will outcompete the grass for sure (if it can grow in your area that is..). I've added some as well as wild mustard and domestic plants like chamomile oregano & mint all over my front yard to reclaim it from crab grass. read more