square sedge
Lepidosperma australe | square sedge, square-stemmed sedge
A stiffly upright rush with blue-green foliage forming strong vertical clumps. Brown seed heads are produced across the plant in summer, adding subtle seasonal texture. Evergreen and resilient, it provides structure and contrast within mixed plantings. Well suited to mass planting on banks, riparian margins, and wetland environments, it performs reliably in moist soils and exposed conditions.
typical habitat.
bog margin
drainage.
free draining
well drained
moist
sun.
full sun
partial shade
mature specifications.
height | 1m
width | 50cm
pollinators calendar.
flowering | August–December
fruiting | October–July (often present year round)
did you know?
Commonly known as square sedge or square-stemmed sedge, this plant has stems that are literally square in cross-section. This distinctive quadrangular form is a key identifying feature that clearly distinguishes it from other, similar rushes and sedges.