Plants in the genus vinca are evergreen groundcovers and fall under two varieties: vinca minor or vinca major. They are vigorous groundcovers that can fill in a space in two to three years. They will continue to grow and take over other areas if not pruned on a consistent schedule. Fortunately, just pruning it once every few years can keep a vinca bed neatly maintained and confined. Prune vinca after the last frost of the spring, but before new growth begins to grow.
Mow your vinca with a rotary mower set at its highest setting (around 4 inches). This is the easiest and fastest way to prune vinca. For a small space, you can use a weed whacker instead.
Hand-cut vinca with pruning shears as an alternative. According to Texas A&M University, cutting back the vinca's height to just 4 to 6 inches every three years will help keep it manicured and neat, while still maintaining a vigorous and nice groundcover.
Cut away dead and damaged limbs with hand clippers any time of the year.
Rake the clippings and discard. Add them to the compost bin or to take them to your local yard-waste facility if possible (unless they're diseased).