Polygala
Polygala myrtifolia
Weed profile
Perennial
Shrub
Hinders movement- Habitat: native vegetation
Impact
Invades and competes in coastal vegetation.
Description
- Evergreen shrub to 4 metres high.
- Leaves oblong to oval.
- Flowers pea-shaped, purple with a pair of large petal-like wing sepals and three petals.
- Lowest petal with a brush-shaped crest.
- Seeds in capsules.
Control options
glyphosate (450g/L)
Application Method: Spot spray
Application Rate: 1L/100L
Product Name: Roundup CT®
Herbicide Group: 9
Situation: Conservation areas, bushland and other non-crop areas.
Timing: Spot spray, August - September
Comments: Surfactant or spray oil may be added. Non selective, avoid contact with desirable plants.
Legal Status: PER 13371 (exp. 2027)
triclopyr (600g/L)
Application Method: Spot spray
Application Rate: 170mL/100L
Product Name: Garlon 600®
Herbicide Group: 4
Situation: Nature reserves and other native vegetation, roadsides, urban open space and forests.
Timing: Spot spray, October - January
Comments: Add a marking agent.
Legal Status: PER 91974 (exp. 2027)
picloram (44.7g/L) + aminopyralid (4.7 g/L)
Application Method: Cut stump
Application Rate: Undiluted gel
Product Name: Vigilant II®
Herbicide Group: 4
Situation: Native vegetation, gullies, and parks.
Timing: Cut stump, any time
Comments: Cut stump and apply 3-5 mm thick layer immediately. For multi-stemmed plants treat at least 80% of stems including main stems. Do not use in urban home gardens.
Legal Status: Registered for this use on woody weeds in general.
Manual removal
Situation: Any.
Timing: Any time
Comments: Hand pull seedlings when the soil is moist. Use a Tree Popper to uproot established bushes.
Legal requirements in each region
Land owners in this region to take reasonable steps to kill plants and prevent their spread. Enforceable by the Alinytjara Wiluṟara 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.
Land owners in this region to take reasonable steps to kill plants and prevent their spread. Enforceable by the Eyre Peninsula 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.
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.
Land owners in this region to take reasonable steps to kill plants and prevent their spread. Enforceable by the Kangaroo Island 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.
Land owners in this region to take reasonable steps to kill plants and prevent their spread. Enforceable by the Limestone Coast 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.
Land owners in this region to take reasonable steps to kill plants and prevent their spread. Enforceable by the Murraylands and Riverland 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.
Land owners in this region to take reasonable steps to kill plants and prevent their spread. Enforceable by the Northern and Yorke 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.
Land owners in this region to take reasonable steps to kill plants and prevent their spread. Enforceable by the South Australian Arid Lands 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.
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: