How to stop weeds from growing - pull weeds that are there -- then lay newspaper over the entire area --- when covered wet the newspaper real well-- then put mulch on top of that. Ready to plant and be weed free for a year!
Brick pavers make a simple, handsome border and work well as edging material. They're ideal for a wide border that keeps grass out of the garden, yet allows flowers etc. to spill over without intruding onto the grass.