Gorse

Ulex europaeus
gorse_1_-_GorseJohnVirtue_SA_DWLBC.jpg
gorse_2_-_webjpg_gorse_DWLBC.jpg
gorse_3_-_Whin_or_Gorse.jpg

Weed profile

  • Perennial
  • Shrub
  • Weeds of National Significance (WoNS)
  • Hinders movement
  • Habitat: native vegetation, pastures

Impact

Spiny thickets compete with pasture and native vegetation.

Description

  • Spiny, densely branched shrub to 2 metres tall.
  • Twigs green, grooved, ending in spines.
  • Leaves reduced to scales or spines.
  • Large, golden-yellow pea flowers.
  • Oblong hairy pods contain hard round seeds.

Control options

  • chemical control

    triclopyr (600g/L)

    When: Cut stump, any time

    Where: Nature reserves and other native vegetation, roadsides, urban open space and forests.

  • chemical control

    triclopyr (600g/L)

    When: Spot spray, September - February

    Where: Nature reserves and other native vegetation, roadsides, urban open space and forests.

  • chemical control

    glyphosate dual salt (360g/L)

    When: Cut stump,

    Where: Conservation areas, bushland and other non-crop areas.

  • chemical control

    glyphosate (450g/L)

    When: Stem injection,

    Where: Non-crop areas.

  • chemical control

    glyphosate (450g/L)

    When: Spot spray, September - February

    Where: Conservation areas, bushland and other non-crop areas.

  • chemical control

    glyphosate dual salt (360g/L) + metsulfuron-methyl (600g/kg)

    When: Spot spray, December - April

    Where: Conservation areas, bushland and other non-crop areas.

  • chemical control

    glyphosate (835g/kg) + metsulfuron-methyl (10g/kg)

    When: Spot spray, while actively growing, any time of the year except spring.

    Where: Non-crop areas, bushland and pastures.

  • chemical control

    metsulfuron-methyl (600g/kg)

    When: Spot spray, while actively growing.

    Where: Native pastures, rights of way, commercial and industrial areas.

  • chemical control

    picloram (44.7g/L) + aminopyralid (4.7 g/L)

    When: Cut stump, any time

    Where: Non-crop areas including native vegetation.

  • chemical control

    triclopyr (300g/L) + picloram (100g/L)

    When: Spot spray, winter

    Where: Pastures and non-crop areas.

  • chemical control

    triclopyr (300g/L) + picloram (100g/L)

    When: Spot spray, summer to autumn

    Where: Pastures and non-crop areas.

  • chemical control

    triclopyr (300g/L) + picloram (100g/L)

    When: Spot spray, spring to summer

    Where: Pastures and non-crop areas.

  • chemical control

    glyphosate (360g/L)

    When: Spot spray, while actively growing.

    Where: Non-crop areas.

  • physical control

    Slashing

    When: Any time

    Where: Non-crop areas.

  • physical control

    Burning

    When: Winter.

    Where: Non-crop areas.

triclopyr (600g/L)

Application Method: Cut stump

Application Rate: 1L/30L biodiesel or diesel

Product Name: Garlon 600®

Herbicide Group: 4

Situation: Nature reserves and other native vegetation, roadsides, urban open space and forests.

Timing: Cut stump, any time

Comments: Diesel can be replaced with water for ease of application.

Legal Status: PER 91974 (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, September - February

Comments: Apply thorough foliage spray. Poisonous if swallowed; may irritate eyes and skin.

Legal Status: PER 91974 (exp. 2027)

glyphosate dual salt (360g/L)

Application Method: Cut stump

Application Rate: 1L/1L

Product Name: Weedmaster® Duo

Herbicide Group: 9

Situation: Conservation areas, bushland and other non-crop areas.

Comments: Cut stems, apply herbicide immediately.

Legal Status: PER 13371 (exp. 2027)

glyphosate (450g/L)

Application Method: Stem injection

Application Rate: Undiluted or up to 1:1

Product Name: Roundup CT®

Herbicide Group: 9

Situation: Non-crop areas.

Comments: Use drill to make holes around the base into the sapwood. Inject herbicide immediately.

Legal Status: PER 13371 (exp. 2027)

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, September - February

Comments: Non selective, avoid contact with desirable plants.

Legal Status: PER 13371 (exp. 2027)

glyphosate dual salt (360g/L) + metsulfuron-methyl (600g/kg)

Application Method: Spot spray

Application Rate: 1L + 3g/100L

Product Name: Weedmaster® Duo + Brush-Off®

Herbicide Group: 9, 2

Situation: Conservation areas, bushland and other non-crop areas.

Timing: Spot spray, December - April

Comments:

Non selective, avoid contact with desirable plants.

Soil active herbicide, may damage desirable vegetation.

Legal Status: PER 13371 (exp. 2027)

glyphosate (835g/kg) + metsulfuron-methyl (10g/kg)

Application Method: Spot spray

Application Rate: 173g/100L

Product Name: Trounce Brush-Pack®

Herbicide Group: 9,2

Situation: Non-crop areas, bushland and pastures.

Timing: Spot spray, while actively growing, any time of the year except spring.

Comments:

Add an organosilicone penetrant.

Non selective, avoid contact with desirable plants. Soil active herbicide, may damage desirable vegetation.

Legal Status: Registered

metsulfuron-methyl (600g/kg)

Application Method: Spot spray

Application Rate: 15g/100L

Product Name: Associate®

Herbicide Group: 2

Situation: Native pastures, rights of way, commercial and industrial areas.

Timing: Spot spray, while actively growing.

Comments: Bushes up to 2 m tall. Add an organosilicone penetrant. Ensure thorough spray penetration, covering whole plant. Soil active herbicide, may damage desirable vegetation.

Legal Status: Registered

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: Non-crop areas including native vegetation.

Timing: Cut stump, any time

Comments: Cut stems less than 10 cm from ground and apply 3-5 mm thick layer immediately. For multi-stemmed plants treat at least 80% of stems including main stems.

Legal Status: Registered

triclopyr (300g/L) + picloram (100g/L)

Application Method: Spot spray

Application Rate: 500mL/100L

Product Name: Grazon DS®

Herbicide Group: 4

Situation: Pastures and non-crop areas.

Timing: Spot spray, winter

Comments: Brownout may not be complete untill following summer. Add a non-ionic surfactant.

Legal Status: Registered

triclopyr (300g/L) + picloram (100g/L)

Application Method: Spot spray

Application Rate: 350mL/100L

Product Name: Grazon DS®

Herbicide Group: 4

Situation: Pastures and non-crop areas.

Timing: Spot spray, summer to autumn

Comments: If plants are taller than 1.5 metres or if treating in autumn. Add a non-ionic surfactant.

Legal Status: Registered

triclopyr (300g/L) + picloram (100g/L)

Application Method: Spot spray

Application Rate: 250mL/100L

Product Name: Grazon DS®

Herbicide Group: 4

Situation: Pastures and non-crop areas.

Timing: Spot spray, spring to summer

Comments: On growth 1 to 1.5 metres tall. Add a non-ionic surfactant.

Legal Status: Registered

glyphosate (360g/L)

Application Method: Spot spray

Application Rate: 1L/100L

Product Name: Roundup Biactive®

Herbicide Group: 9

Situation: Non-crop areas.

Timing: Spot spray, while actively growing.

Comments:

Suitable for use near waterways - refer to label. Add Pulse® penetrant.

Non selective, avoid contact with desirable plants.

Legal Status: Registered

Slashing

Situation: Non-crop areas.

Timing: Any time

Comments: Slashing will not kill gorse but may improve the results of follow up herbicide treatment. Regrowth needs to be approximately 0.5-1 m high before undertaking follow up spraying.

Burning

Situation: Non-crop areas.

Timing: Winter.

Comments: Fire can be useful in reducing dense thickets of gorse to allow follow-up spraying of regrowth. Seek advice.

Legal requirements in each region

To find out which landscape region you're in visit the NatureMaps website.
Alinytjara Wiluṟara
Eyre Peninsula
Green Adelaide
Hills and Fleurieu
Kangaroo Island
Limestone Coast
Murraylands and Riverland
Northern and Yorke
South Australian Arid Lands