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Blue Star Creeper

Isotoma fluviatilis

Also called Swamp Isotome, Isotoma

Blue Star Creeper
Photo: Stitchingbushwalker, CC BY-SA 4.0

Blue star creeper is a low-growing, mat-forming perennial native to south-eastern Australia that roots at its nodes and bears small star-shaped blue-white flowers in summer. It is grown as a groundcover in moist, partly shaded beds, rockeries or between paving stones.

Family
Campanulaceae (Campanul family)
Grows as
Climber, Perennial
Light
Part shade
Water
Keep the soil consistently moist; it naturally grows along creek margins and seepage areas.
Soil
Moist, humus-rich soil or damp sandy loam.
Temperature
Hardy to about -5 °C in mild climates; protect from prolonged hard frost and heat above about 30 °C.
How easy
Easy
Native range
E. & SE. Australia
Climate
subtropical

About

Isotoma fluviatilis, the swamp isotome or blue star creeper, is a small herbaceous perennial plant in the family Campanulaceae, native to Australia.

Where it grows

The species is often found growing in areas of moist sand or in mud along the margins of creeks and streams and seepage areas. It is also found among granite outcrops and wet depressions. It is found in south eastern Australia from southern parts of South Australia extending through much of Victoria, through much of Tasmania, eastern New South Wales and south eastern Queensland.

Other Isotoma plants

Woodbridge Poison · Isotoma luticola · Isotoma pusilla · Isotoma scapigera · Hypsela · Isotome

Text excerpted from the Wikipedia article Isotoma fluviatilis by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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