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About
About
Blackberry (Rubus fruticosus aggregate) is a highly invasive weed in Australia, forming dense, thorny thickets that can reach several metres in height. It spreads through seeds—dispersed by birds, foxes, and water—as well as vegetative growth from cane tips that root upon contact with soil.
Commonly found in pastures, riverbanks, and creek lines, blackberry competes with native vegetation and provides shelter for pests like foxes and rabbits. Its dense growth can impede access to waterways and contribute to erosion.
Managing blackberry is challenging due to its thorny stems and prevalence near waterways, which limits chemical control options. Effective strategies include mechanical removal, herbicide application (where permitted), and biological control methods.
Management calendar
Management calendar
Control options
Control options
Chemical
Chemical
Due to legal requirements, PHBG cannot recommend specific herbicides. Please click the links below for specific chemical control options for this weed.
Physical
Physical
Isolated plants can be removed manually and burnt. Use protective gear when removing plants due to thorns.
Biological
Biological
Three strains of rust have been released in Western Australia as a biocontrol agent for blackberry.
The last strain was released in 2005 and have been affective against the European Blackberry Rubus anglocandicans but not as effective on the Plains Blackberry Rubus laudatus.
Report a blackberry hotspot
Report a blackberry hotspot
With your help, the PHBG can identify locations of declared weed infestations. We want to know about infestations that concern or affect you. Click the green button below to open the reporting form in a separate tab.
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