Recycled Rubber Edge Border ~ Even if you could lay bark mulch in perfect circles or borders,it would soon look ragged or need replenishing. These Mulch Mats always look crisp. Use around raised beds, walkways or foundation plantings. Mow right over it!
Ground Cover Creeping Sedum - fast-spreading, drought tolerant and easy to keep in check. It grows in the hot, full sun or in the shade. It doesn't seem to have any special soil requirements. In June, it's covered with tiny yellow flowers.
51 Budget Backyard DIYs That Are Borderline Genius
I don't have a fence, but like this idea. Find old windows, replace the glass with mirrors and put these on your fence (if you can). The mirrored image of your garden on the fence will make your yard look bigger. It's an easy trick!