Green Cestrum (Cestrum parqui)

Green Cestrum


•    Erect perennial shrub to 3m
•    Leaves alternate, to 12cm long, produce unpleasant odour when crushed
•    Flowers are yellowish-green, tubular, clustered at branch ends
•    Fruit are green oval berries that turn purplish-black when ripe

Green Cestrum Information Link

Flowering Times

•    Throughout the year

Control Measure

•    Herbicides – most effective method
•    Physical – difficult as reshooting and suckering often occurs


•    Extremely toxic to stock – especially cattle
•    Invasive, suckering and spreading when disturbed
•    Seeds spread by birds and water
•    Seed viability rate high




Australian Pesticides and Veterinary Medicines Authority

Position Vacant

Snr Biosecurity Officer

The Upper Hunter Weeds Authority (UHWA) has a permanent, full-time position available, based in the Muswellbrook district of the Upper Hunter.

 The position requires excellent communication skills with the main duties involving assisting the General Manager in day-to-day management of the County Council, the inspection of private and council lands for high priority invasive plants, the preparation of records of inspection and the identification and treatment of various invasive plants. The position also requires involvement in public awareness activities such as field days.

Prospective applicants must obtain an information package, application form and position description which contains selection criteria by emailing

Please contact Doug Campbell on 0408 683 490 for further enquiries about this position.

Only written applications that address the selection criteria will be considered. Applications close on Friday 21 June 2024.

Conditions of employment will be in accordance with the Notional Agreement Preserving the Local Government (State) Award. This position has a 9-day fortnight rostered day off scheme in place. 

The Upper Hunter Weeds Authority supports the principles of Equal Employment Opportunity and provides a smoke free workplace.

 Doug Campbell

General Manager

Copyright © 2024 Upper Hunter Weeds Authority.