Hose Holder tutorial... 4X4 post, metal spike (so no post holes and cement are needed), cheap hook (to hold the hose), a topper for the post, and spray paint. (supposedly, this project can be done for under $20 at Home Depot)
Landscape Edging: 10 Easy Ways to Set Your Garden Beds Apart: EverEdge Edging - Made from sturdy, powder coated flexible steel with 3-3/4" spikes, EvrEdge appeals with its casual, country garden look. Lengths are interlocking for seamless installation and come five to a set, totaling 16 linear feet of edging per package. $95 at Grandin Road
Prairie Blues Bluestem - Deciduous, clumping grass with gray-blue foliage that turns salmon orange in the fall. Flower spikes emerge above the foliage, displaying downy white seed heads that persist into fall. Good ground-cover for massing or effective specimen in borders and rock gardens.