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Herbicides and Weed Sprays - Industrial and Home

Ensure your weed spraying for lawns is effective with the right products

Buy weedkillers to control a wide range of weeds in a wide range of situations. If you need a broadleaf weed killer, a brush weed killer, or herbicides for pasture, lawn, or turf, then look no further.  Pick the best weed killer spray or broadleaf herbicide at cost-effective prices from our extensive range. For Weed killer in NZ look no further.

Products to kill weeds in your lawn include

Glyphosate

Glyphosate 360 herbicide, concentrated Glyphosate 540 weedkiller NZ, and the high-strength granular glyphosate weed spray, Granny. Non-selective glyphosate based weed killers to kill most weeds and grasses.  Although Roundup brand glyphosate has been getting bad press lately, glyphosate is still one of the safest and most cost-effective herbicides when used properly.

GrassMate (triclopyr / picloram)

GrassMate triclopyr and picloram herbicide is pasture and grass-friendly herbicide that kills a wide range of broadleaf weeds and brushweeds. 

Pasture weeds controlled by GrassMate weed spray include ragwort, thistles, fennel, nettle, and inkweed. stump swab barberry, Old Man's Beard,  woolly nightshade, wattle willow, and many more.

GrassMate also kills broadleaf weeds in lawns, turf, and sports grounds.  Weeds controlled include Hydrocotyle, Creeping Oxalis, Cape Daisy, Onehunga weed, and many more. GrassMate herbicide is a great sports ground, turf, and grass herbicide.

Buckshot (picloram)

Buckshot is a ready to use,  picloram based herbicide granule for sprinkling around a wide range of broadleaf weeds.  Buckshot picloram herbicide is effective on ragwort, nodding thistle, docks, gorse, broom, blackberry, tutu, tutsan, matagouri, fennel, inkweed, lupin, goat's rue, Mexican devil weed, hemlock, heath, Himalayan honeysuckle, sweetbrier, St John's wort, woolly nightshade, and smaller boxthorn and barberry.  Buy Buckshot picloram weedkiller for all those emerging weeds.

Decision (flumetsulam)

Decision flumetsulam based weed spray is a grass, pasture, and clover-friendly herbicide.  Mainly for annual & perennial buttercups in pasture,  Decision weedkiller is good for autumn and spring application.  Decision herbicide also controls chickweed, cleavers, mallow, oxeye, sorrel, spurrey, stinking mayweed, willow weed, and many other weeds.  Buy Decision weed killer for a better choice as a herbicide for new grass.

2,4-D 720 Amine

Rainbow & Brown 2,4-D 720 Amine herbicide is a high strength, less volatile form of 2,4-D weed spray for late germinating weeds such as Storksbill, Pennyroyal, dandelion and many more.  2,4-D 720 Amine weedkiller is perfect for autumn and winter spraying and will be effective against seedling or rosette stage thistles, ragwort and more.

Dicamba 500 SL

Rainbow & Brown Dicamba 500 SL weed spray is the perfect dicamba weedkiller for use around the farm, lawn or waste area.  Buy Dicamba 500 SL herbicide to use against a wide rage of broadleaf weeds. Dicamba weed spray is extremely effective when used in conjunction with MCPA750 or 2,4-D 720 Amine.

GA200 (glufosinate ammonium)

GA200 herbicide is the perfect alternative weed spray to glyphosate if you are spraying near trees, shrubs, or natives. Being a contact herbicide GA200 kills only the parts of the weed it contacts so accidental overspray is less likely to kill non-target plants.  GA200 weed killer will kill most grasses and weed and unlike Glyphosate, will kill clover.

MCPA750

 

MCPA750 herbicide is great for control of thistles and other broadleaf weeds in cereal crops and pasture.  MCPA750 weed spray is grass and pasture friendly for use against seeding weeds during Autumn through to summer.  Buy MCPA750 if you want a pasture herbicide that is more gently on clover.

MSF600 (metsulfuron-methyl)

MSF600 herbicide is a metsulfuron methyl weed spray that is a safe, effective and cheap weed killer for Gorse, Broom, Blackberry, Manuka, and other bush and brush weeds.  MSF600 weedkiller will also kill ragwort, thistles, and many broadleaf weeds.

Ranger (thifensulfuron)

Ranger, a thifensulfuron herbicide, controls and kills docks and buttercup and is a selective herbicide for use in pasture, wheat, barley, and oat crops.  Ranger weed spray kills all the main buttercup varieties.  Hairy buttercup (annual), creeping buttercup, and giant buttercup are all controlled.

Triclo (triclopyr)

Triclo, triclopyr herbicide is perfect for killing Kikuyu hydrocotyle and oxalis in lawns.  Triclo weedkiller controls Blackberry, Broom, Gorse, Lupin, Tutus, Fennell, Sweet Brier,  Old Man's beard, as well as most broadleaf weeds in pasture.   

Tags: weed killer, weed killer nz, herbicide, herbicide nz, herbicides nz

Code: 24D-800
WHACK – 2,4-D 800 Contains 800g/kg 2,4-D as the dimethylamine salt in the form of a water soluble granule. WHACK - 2,4-D 800 is a non-volatile, micro granule herbicide for controlling broadleaf ..
Starting From $115.00
Ex Tax:$100.00
Brand: Buckshot Code: BUCK
Contains: 20g/kg picloram as the active ingredient. Similar or equivalent to: Triumph 2G (1) Tordon 2G (2) Direct spot application for the control of scattered broadleaf weeds and brush weeds..
Starting From $34.50
Ex Tax:$30.00
Brand: Decision Code: DEC
Contains: 800g/kg Flumetsulam in a water-dispersible granule ‘DECISION’ herbicide is a selective herbicide for post-emergent weed control in both new and established pasture, as well as in lucerne,..
Starting From $90.85
Ex Tax:$79.00
Brand: Dicamba Herbicide Code: DICAMBA
Contains 500 g/l dicamba as the Dimethylamine Salt in the form of a soluble concentrate. Similar or Equivalent to: Kamba 500 (1) Cutlass Herbicide (2) Bandit (3) - only 480g/L strength co..
Starting From $39.56
Ex Tax:$34.40
Code: DBLSHOT
DoubleShot Contains 388g/L terbuthylazine and 112g/L glyphosate in the form of a suspension concentrate DoubleShot from Rainbow & Brown is a non-selective herbicide used for weed control in fore..
Starting From $138.00
Ex Tax:$120.00
Brand: GA200 Code: GA200
Contains: glufosinate-ammonium 200g/litre in the form of a soluble liquid concentrate. GA200 weed spray controls a wide range of weeds, grasses, and clovers, and is safe to use in orchards and vine..
Starting From $56.06
Ex Tax:$48.75
GLYPHOSATE 360 - General Purpose Weedkiller
20% OFF GLYPHOSATE
Brand: Glyphosate Code: G360
Contains: 360g/L glyphosate as a soluble concentrate. Rainbow & Brown's Glyphosate 360 weedkiller is a popular choice for total weed control and for pasture renovation.  Similar or equivalent to..
Starting From $44.16 $55.20
Ex Tax:$38.40
GLYPHOSATE 540 - High Strength General Purpose Glyphosate Weed Killer
20% OFF GLYPHOSATE
Brand: Glyphosate Code: G540
Glyphosate 540 Contains: 540g/L glyphosate potassium salt as a soluble concentrate. Rainbow & Brown's Glyphosate 540 weedkiller is a new technology, high-strength liquid glyphosate product which..
Starting From $19.78 $24.73
Ex Tax:$17.20
GRANNY - High Strength Glyphosate Granular Non-Selective Weed Killer
20% OFF GLYPHOSATE
Brand: Glyphosate Code: GRAN
Contains: 800g/kg glyphosate as water-soluble granules. Granny high-strength glyphosate weedkiller has no residual effect in the soil; drill new seed in two days. Similar or equivalent to: ..
Starting From $44.16 $55.20
Ex Tax:$38.40
Brand: Grassmate Code: GRAS
Contains: 300g/L triclopyr as the butoxy ethyl ester plus 100g/L picloram as the amine salt in the form of an emulsifiable concentrate. Similar or equivalent to: Conquest (1) Tordon Brushki..
Starting From $69.00
Ex Tax:$60.00
Brand: Halox 100 EC Code: HALOX
Contains: 100g/L haloxyfop-P present as the methyl ester in the form of an emulsifiable concentrate. Also contains 467g/L hydrocarbon solvent. Rainbow & Brown Halox 100 EC is a selective herbicide ..
Starting From $67.85
Ex Tax:$59.00
Brand: MCPA 750 Code: MCPA
Contains 750g/L of MCPA  dimethylamine salt as a water-soluble concentrate. Rainbow & Brown's MCPA750 herbicide is for the control of thistles and other broadleaf weeds in pasture and cereal crops...
Starting From $89.70
Ex Tax:$78.00
Brand: MSF600 Code: MSF
Contains 600g/kg metsulfuron-methyl in the form of a soluble granule. The lowest cost gorse killer in our range, MSF600 metsulfuron-methyl herbicide is popular and proven in NZ.   Similar or equ..
Starting From $36.80
Ex Tax:$32.00
Code: GORSEENFORCE
You get a 'combo' pack of MSF600 (metsulfuron-methyl 600g/kg) herbicide and Superwetter organosilicone wetting agent. This is sufficient for aerial spraying of four hectares at the full ‘mature gor..
$322.71
Ex Tax:$280.62
Brand: Ranger Code: RANGER
Contains: 750g/kg thifensulfuron-methyl as a water-dispersible granule. Ranger controls docks and buttercup and is a selective herbicide for use in pasture, wheat, barley, and oat crops. Similar..
Starting From $63.25
Ex Tax:$55.00
Brand: Terbuthylazine Code: TERBGUARD
TerbGuard 500 Contains 500g/L terbuthylazine in the form of a suspension concentrate TerbGuard 500 from Rainbow & Brown is great for lifestyle block users or anyone managing a small forestry are..
Starting From $105.80
Ex Tax:$92.00
Code: TRI
TRICLO HERBICIDE Contains 600g/L triclopyr as the butoxy ethyl ester in the form of an emulsifiable concentrate. Triclo Herbicide is a selective herbicide - it kills the target broadleaf or brus..
Starting From $90.85
Ex Tax:$79.00
Brand: Lawnclean Code: LAWNC
Lawnclean Contains 200g/L 2,4-D plus 100g/L dicamba as amine salts in the form of a soluble concentrate Lawnclean from Rainbow & Brown is a selective herbicide controlling many broadleaf weeds i..
Starting From $43.70
Ex Tax:$38.00
Brand: Ralid Code: RALID
Ralid Contains 300g/litre clopyralid as the trisopropanolamine salt in the form of a soluble concentrate. A broad spectrum herbicide for thistles and certain broadleaf weeds for use on various c..
Starting From $166.75
Ex Tax:$145.00
Brand: Pasture Star Code: PASTSTAR
Pasture Star Contains 375g/L MCPB and 25g/L MCPA, both as the sodium salts, in the form of a soluble concentrate. Pasture Star from Rainbow & Brown is primarily used to control broadleaf weeds i..
Starting From $483.00
Ex Tax:$420.00
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