Blue star creeper (Isotoma fluviatilis) is a low-growing flowering perennial that is adorned with delicate pale purple to blue star-shaped flowers from late spring into late summer and early fall. Botanically known as Isotoma fluviatilis, it’s a popular cover to work into an ornamental landscape. Being a low but fast-growing plant, blue star develops into a mass of deep green leaves with delicate creeping stems.

Understanding the Context

They remain evergreen throughout the year. Isotoma fluviatilis, also known as Blue Star Creeper, is a charming, low-growing perennial plant. It’s prized for its lush, mat-forming habit and dainty star-shaped flowers. Blue star creeper ground cover (Isotoma fluviatilis) is a no-fuss plant that works well as a lawn substitute.

Key Insights

It is also more than happy to fill in gaps between stepping stones, under shrubbery, or over your spring-blooming bulbs. Isotoma fluviatilis, the swamp isotome[2] or blue star creeper, [3] is a small herbaceous perennial plant in the family Campanulaceae, native to Australia. This plant often forms a low growing mat. It is usually pubescent or sometimes glabrous and roots at nodes. Blue Star Creeper (Isotoma fluviatilis) is a low-growing, mat-forming groundcover valued for its tiny blue star-shaped flowers and soft, spreading foliage.

Final Thoughts

It fills gaps between stepping stones, along pathways, and at the front of garden beds with a delicate, carpet-like look. Blue Star Creeper, also known as Isotoma fluviatilis, is a charming evergreen perennial that’s widely adored for its ground-covering abilities and beautiful, delicate blooms. Native to Australia, this plant is a resilient choice for gardeners looking to fill spaces with a carpet of light blue flowers. Isotoma blue star creeper is a low-growing, flowering ground cover that thrives in cool, moist, well-drained soils and partial shade. Learn how to plant, prune, and control it—before it invades nearby beds or lawns.