Bur Daisy

Family:
Asteraceae
Origin:
Australia

General description

Small, stringy, many-branched perennial herb < 50 cm tall and < 1 m in diameter. Leaves are thin, green and hairy. Flowers are small, spherical and yellow, and form tough, hooked brown spheres.

What you need to know

To help protect our environment:

  • You must not breed, distribute, release or sell bur daisy within the Auckland region.
  • You must not plant bur daisy within the Auckland region, unless you are transferring an existing plant on your land to another location within the boundaries of the same property.
  • You must destroy any bur daisy on land that you occupy if it has been planted in breach of the above rules and you are directed to do so by an authorised person.

Open and disturbed habitats, exposed dry outcrops, rocky areas, grassland, pasture, scrubland, woodland.

Seeds dispersed by wind and attachment to animal pelts. Human-mediated dispersal through attachment to clothing and machinery.

Displaces desirable pasture species and is a serious contaminant of wool. May compete with similar native plants in dry rocky outcrops or open disturbed ecosystems.

Site Management

Maintaining good pasture cover will suppress an infestation.

Recommended approaches

Physical control

Method: Dig out

Plant parts requiring disposal: Seeds

Disposal options: Remove to greenwaste or landfill if practical

Biocontrol

Biocontrol is currently not available for this species.

Community agrichemical control recommendations

No qualifications
Foliar spray with 150ml glyphosate green per 10L of water

Certified Handler/Experienced agrichemical user
Foliar spray with 150ml glyphosate green per 10L of water and 10ml penetrant

CAUTION: When using any herbicide or pesticide please read the label thoroughly to ensure that all instructions and safety requirements are followed.

RPMP status


Whole region (Sustained Control)
Hauraki Gulf Controlled Area Notice pest
Bur daisy - Main species image