Jointed rush

General description

Perennial herb < 80 cm tall. Stems are either erect and formed from a short rhizome, or round, prostrate and root at the nodes. Flowers are green-brown and borne in branched inflorescences. Seed capsules are dark brown/black and glossy.

What you need to know

Although jointed rush is not a legally declared pest plant, it may still be invasive in some situations. Consider lower risk alternatives for your garden, such as native plants.

Habitats

Wet habitats, riparian margins, wetlands, drains, pasture.

Dispersal

Seeds dispersed by animals and soil movement. Vegetative spread from rhizomes. Human-mediated dispersal through movement of contaminated soil.

Impact on environment

Can form dense infestations and displace native species.

Control

Site Management

Follow up treated areas 3 times per year. Encourage natural regeneration of native plants or replant treated areas where possible after 2-3 treatments to establish dense ground cover and minimise reinvasion.

Recommended approaches

Physical control

Method: Dig out.

Plant parts requiring disposal: All parts.

Disposal options: Remove to greenwaste or landfill.

Biocontrol

Biocontrol is currently not available for this species.

Community agrichemical control recommendations

No qualifications: Foliar spray with 100ml glyphosate green per 10L of water.

Certified Handler/Experienced agrichemical user: Foliar spray with 100ml glyphosate green per 10L of water and 20ml penetrant.