Blue Star Creeper
Isotoma fluviatilis
Blue Star Creeper stitches the ground into a soft living mat of white-blue stars, quietly spreading where other ground covers might give up beneath the shade of larger plants.
Native to Australia, Blue Star Creeper arrived in cultivation with a reliable set of habits: low, spreading, evergreen, and covered in small five-petaled flowers the color of a pale sky. It creeps by sending out runners that root as they travel, building a dense mat rarely more than 2 to 3 inches tall, though it is manageable enough to contain with a deep landscaping edge where a tidier boundary is needed. The flowers, white-blue and star-shaped, open from early spring into summer and create a continuous carpet of color across whatever ground they cover.
It suits partially shaded positions well, making it genuinely useful beneath taller shrubs and trees where lawn grass thins out and conventional ground covers struggle. Moist soil suits it best — it is naturally found along stream margins, in wet depressions, and among granite outcrops — though it handles light foot traffic with reasonable tolerance. Dividing established mats is simple, as the plant tears apart into rooted sections that establish quickly. Hardy in Zones 6 through 8, it remains evergreen through mild winters and provides continuous interest across the cooler months between its flushes of spring and summer bloom.
Blue Star Creeper
Isotoma fluviatilis
Laurentia, Swamp Isotome