Class 1 noxious weed

Invasive weed found in Hornsby Shire

Image courtesy of Victorian Department of Environment and Primary Industries.

An invasive noxious weed has been found in Hornsby Shire and Council is urging residents to report any sightings.

photo J.R.Hosking

Boneseed, which is classified as a Class 1 noxious weed in New South Wales, has been discovered in Hornsby, Mount Colah, Mount Kuring-gai, Berowra, Glenorie, Dural and Epping.

It may also be present in other suburbs within Hornsby Shire.

The website may help in indentification with information here.

The weed is native to South Africa, and has the ability to aggressively invade native Australian bushland while also posing a threat to significant rare or threatened species.

Without effective control, it has the potential to spread into new areas, with most of southern New South Wales under threat.

Its status as a Class 1 noxious weed means it must be eradicated from the land and it is the responsibility of the land’s owner or occupier to control boneseed on their property.

Any residents who have seen boneseed growing in Hornsby Shire are encouraged to contact Council’s Natural Resources team to report the location by calling 9847 6832 or emailing

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As publisher of The Kuringai Examiner, I have an interest in all things on the North Shore, particularly news, sport and food. I'm always on the outlook for something unique and original to bring to my readers.