Blue Star Creeper is a delicate yet hardy flowering ground cover that can make a beautiful addition to any garden. With its creeping stems and stunning blue star-shaped blooms, this plant adds whimsical charm wherever it grows. I’ve grown to love this darling plant and want to share my tips for helping blue star creepers thrive. Blue star creeper, also known by its scientific name of Isotoma fluviatilis or Laurentia fluviatilis, is a charming little flowering plant in the Campanulaceae family. Native to Australia, this hardy ground cover develops intricate mats of green foliage that hug the ground.