Bur Daisy

Family:
Asteraceae
Origin:
Australia

General description

Dwarf, perennial herb <50cm tall with lobed & hairy foliage. Small, bright yellow, ball-like flowers present most of the year & form seeds with tiny spurs.

Open areas & poor pasture. Prefers dry open areas but tolerates a wide range of soil & climatic conditions.

Seeds spread by wind or attachment via spurs to wool, fur, clothing & machinery.

Can be a serious contaminant of wool.

Site management

Follow up regularly. Maintain good pasture cover to prevent re-establishment.

Recommended approaches

1. Grub out small plants.
2. Weed wipe (50ml glyphosate/1L).
3. Overall spray in spring (50ml clopyralid/10L or
60ml Tordon BK/10L or 60ml triclopyr +10ml penetrant/10L). Do not use clopyralid in home gardens.

Caution: when using any herbicide or pesticide PLEASE READ THE LABEL THOROUGHLY to ensure that all instructions and safety requirements are followed.

RPMS status

Surveillance - Whole Region
bur daisy - Main species image