You can use this erosion control netting on the slope. Its a biodegradable coir that will keep soil and mulch where you want it. Secure with landscape pins.
What to do with a steep slope? Create a Colorful Cliff: An abundance of spring bloomers turns towering terraces into a crazy quilt of cottage charm. Follow spring bulbs with summer- and fall-blooming perennials for extended bloom and season-long color.
