They will unfurl when evening arrives with its touch of dew. Use vinca to edge a border of annual or perennial flowers or to weave color through the bed or container. Plant vinca as a ground cover ...

Other long-lived, maintenance-free early perennials include Lenten roses (hellebores), creeping phlox, and vinca. Some people are disdainful of vinca, but it's a great groundcover. The pretty blue ...