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Sheath Rush

Cyathochaeta diandra

Also called Spear Grass

Sheath rush is a tufted, grass-like sedge native to eastern and southeastern Australia, found in dry sandy woodland and heath. It is rarely grown in gardens, and it is grown mainly for its hardiness in sandy, free-draining conditions.

Family
Cyperaceae (Cyper family)
Grows as
Grass
Light
Full sun, Part shade
Water
Water sparingly once established; it tolerates dry spells typical of its native sandy woodland habitat.
Soil
Sandy or gritty, free-draining soil; tolerates poor, sandstone-derived soils.
Temperature
Tolerates a wide range of temperatures typical of subtropical to temperate Australia; protect from hard frost.
How easy
Easy
Native range
E. & SE. Australia
Climate
subtropical

About

Cyathochaeta diandra is a sedge of the family Cyperaceae that is native to eastern and southeastern Australia. It is commonly known as sheath rush or spear grass.

It is a tufted sedge which flowers in spring and summer. It is native to southern Queensland, New South Wales, and northeastern Victoria states from sea level to 1000 metres elevation. It grows in sandy soils, often over sandstone or laterite, in coastal and inland dry sclerophyll forest and woodland, often associated with species of Eucalyptus, Acacia, and Leptospermum, and in heath and scrub. It is common on roadsides.

Other Cyathochaeta plants

Cyathochaeta avenacea · Cyathochaeta clandestina · Cyathochaeta equitans · Cyathochaeta stipoides · Cyathochaeta

Text excerpted from the Wikipedia article Cyathochaeta diandra 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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