Creeping Phlox - Perfect for edging sidewalks and walkways, this slow-growing perennial likes full sun and well-drained soil. Creeping phlox won't become a rowdy neighbor to the tulips, daffodils, and other spring bulbs that look charming planted with it.
pinner says overflowing.some of my faves' petunias and sweet potato vine. I plant the green and the purple vine each summer, take cuttings before the first freeze and keep them growing in a qt. jar of water thru winter in my kitchen window.
Dianthus Barbatus Perennial - Mounding and Container Plant - How to Grow
Best Perennials for Shade Toad Lily Put on a fall show with shade plant toad lily (Tricyrtis). This easy-to-grow perennial offers unique flowers that are often compared to orchids. Many are spotted with shades of purple or blue.
For a brilliant splash of purple, consider 'Sugar Plum' Coral Bells (Heuchera). I have it edging a long border with bluebells and a white evergreen candytuft plant ( don't know name). They soon reproduce themselves too, so are good value.