Swamp oak
Casuarina glauca and Casuarina obesa
Weed profile
Perennial
Tree
Hinders movement- Habitat: native vegetation, wetlands
Impact
Invades native riparian vegetation.
Description
- Evergreen tree to 15 m tall.
- Forms dense colonies by suckering.
- Drooping, ribbed green branchlets with scale leaves at the joints.
- Female trees produce winged seeds in cones.
- Male trees produce pollen in drooping spikes to 5 cm long.
Control options
triclopyr (600g/L)
Application Method: Cut stump
Application Rate: 1L/30L biodiesel or diesel
Product Name: Garlon 600®
Herbicide Group: 4
Situation: Native vegetation and roadsides.
Timing: Cut stump, any time
Comments: Apply to cut stump immediately
Legal Status: PER 91974 (exp. 2027)
triclopyr (300g/L) + picloram (100g/L) + aminopyralid (8g/L)
Application Method: Spot spray
Application Rate: 350mL/100L
Product Name: Grazon Extra®
Herbicide Group: 4
Situation: Non-cropping areas, forests, pastures, commercial and industrial areas and rights-of-way.
Timing: Spot spray, plants 1 to 3 m tall
Comments: Nonselective, avoid contact with desirable plants.
Legal Status: Registered
Legal requirements in each region
Must not be sold or traded in any way, including as a contaminant of anything.
Must not be transported on a public road, including as a contaminant of anything.
Must not be imported into the region.
Must not be sold or traded in any way, including as a contaminant of anything.
Must not be transported on a public road, including as a contaminant of anything.
Must not be imported into the region.
Land owners in this region to take reasonable steps to kill plants and prevent their spread. Enforceable by the Green Adelaide Board.
Must not be sold or traded in any way, including as a contaminant of anything.
Must not be transported on a public road, including as a contaminant of anything.
Must not be imported into the region.
Land owners in this region to take reasonable steps to kill plants and prevent their spread. Enforceable by the Hills and Fleurieu Landscape Board.
Must not be sold or traded in any way, including as a contaminant of anything.
Must not be transported on a public road, including as a contaminant of anything.
Must not be imported into the region.
Must not be sold or traded in any way, including as a contaminant of anything.
Must not be transported on a public road, including as a contaminant of anything.
Must not be imported into the region.
Must not be sold or traded in any way, including as a contaminant of anything.
Must not be transported on a public road, including as a contaminant of anything.
Must not be imported into the region.
Must not be sold or traded in any way, including as a contaminant of anything.
Must not be transported on a public road, including as a contaminant of anything.
Must not be imported into the region.
Must not be sold or traded in any way, including as a contaminant of anything.
Must not be transported on a public road, including as a contaminant of anything.
Must not be imported into the region.
Must not be sold or traded in any way, including as a contaminant of anything.
Must not be transported on a public road, including as a contaminant of anything.
Must not be imported into the region.
More Information
Find out how to:
- benefit from the early intervention of new and emerging weeds - handbook
- best manage your use and storage of agricultural and veterinary chemicals.
Control advice
For further help and advice managing this weed contact your regional landscape board: