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Featured Products
NITROSOL NITROGEN BOOSTER
Nitrogen Booster from Rainbow & Brown is a balanced blend of nitrogen-rich material including plant-based amino acids. T..
Starting From $151.80
Ex Tax:$132.00
Rainbow & Brown 2,4-D 720 Amine
Rainbow & Brown 2,4-D 720 Amine weedkiller. It controls broadleaf weeds in new and established pasture, and in cere..
Starting From $49.45
Ex Tax:$43.00
Foam Crusher is an organosilicone based defoamer agent. These are products that are added to herbicide and pesticide mixes to reduce the amount of fo..
Starting From $125.00
Ex Tax:$108.70
Contains: glufosinate-ammonium 200g/litre in the form of a soluble liquid concentrate.
GA200 weed spray controls a wide range of weeds, grasses, an..
Starting From $88.55
Ex Tax:$77.00
ON SALE
Contains: gibberellic acid (GA3) 900g/kg in the form of a water-soluble powder.
Gibber 900 is a 90% strength gibberellic acid which is a natural p..
Starting From $48.30
Ex Tax:$42.00
ON SALE
A natural product to promote water absorption and retention activity in the soil, which helps break down organic matter and make it more readily avail..
Starting From $11.50
Ex Tax:$10.00
ON SALE
Gibb-Gro Gibberellic Acid Growth Promoter - Grow Grass Really Fast and reduce your Nitrogen inputs.
Gibb-Gro is a high-strength GA3 Gibberellic Aci..
Starting From $830.30
Ex Tax:$722.00
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 ..
Starting From $69.00
Ex Tax:$60.00
Until Early May 2024
Out Of Stock
Contains: 360g/L glyphosate as a soluble concentrate.
Rainbow & Brown's Glyphosate 360 weedkiller is a popular choice for total weed control and fo..
Starting From $55.20
Ex Tax:$48.00
Contains 600g/kg metsulfuron-methyl in the form of a soluble granule.
The lowest cost gorse killer in our range, MSF600 metsulfuron-methyl herbicid..
Starting From $32.20
Ex Tax:$28.00
Organosilicones provide optimum penetration into woody-stemmed species (gorse, blackberry, etc).
Faster uptake by the plant; reduces rain risk.
Boos..
Starting From $39.10
Ex Tax:$34.00
Contains: 800g/kg glyphosate as water-soluble granules.
Granny high-strength glyphosate weedkiller has no residual effect in the soil; drill new se..
Starting From $57.50
Ex Tax:$50.00
Contains: 600g/L triclopyr as the butoxy ethyl ester.
Triclo is a selective herbicide - it kills the target broadleaf or brushweeds without killin..
Starting From $78.20
Ex Tax:$68.00
Spraywetter with Herbicides
Spraywetter non-ionic surfactant, improves penetration, especially into harder and waxy plants. Faster uptake by the pl..
Starting From $33.35
Ex Tax:$29.00
Glyphosate 540
Contains: 540g/L glyphosate potassium salt as a soluble concentrate.
Rainbow & Brown's Glyphosate 540 weedkiller is a new technol..
Starting From $18.98
Ex Tax:$16.50
A highly concentrated Seaweed extract that works really well with Gibb-Gro (gibberellic acid GA3).
GIBB-GRO concentrated seaweed extract flake is a..
Starting From $11.50
Ex Tax:$10.00
Use Gibb-Gro Wetter when applying the concentrated Gibb-Gro (gibberellic acid 900g/kg). Gibb-Gro Wetter will improve uptake and effectiveness as well..
Starting From $33.35
Ex Tax:$29.00
POTASSIUM HUMATE – SOLUBLE
Humic acid as Potassium humate, fulvic acid as fulvate and potash (Potassium)
100% soluble humic acid and fulvic acid ..
Starting From $21.85
Ex Tax:$19.00
ON SALE
Gibb-Gro Gibberellic Acid Growth Promoter - Grow Grass Really Fast and reduce your Nitrogen inputs.
Gibb-Gro is a high-strength GA3 Gibberellic Aci..
Starting From $830.30
Ex Tax:$722.00
From our Blog
30 Apr
0
47
Exciting News!
Keen-eyed readers may have noticed a recent addition to our Rainbow & Brown website: the Gibb-Gro range. Gibb-Gro, a well-established brand in New Zealand for over 12 years, is known as the preferred Plant Growth Regulator. In recent times, Gibb-Gro has diversified its offerings beyond Gibberellic Acid to include wetters, Seaweed Ex..
30 Apr
0
29
Understanding Ascophyllum nodosum
Welcome to the world of Ascophyllum nodosum, affectionately known as rockweed, knotted wrack, knotted kelp or egg-wrack. Introduced to the Rainbow & Brown family in 2016, our Ascophyllum nodosum Seaweed Extract Flake is sourced from the icy waters of the Northern Hemisphere. This natural product has gained a loyal..
30 Apr
0
20
Withholding Period for Herbicides
Although this information is available on our labels, we frequently receive inquiries about withholding periods. To address this, we have prepared a summary of the ACVM approved withholding periods for our product range.
PRODUCT
WITHOLDING PERIOD – STOCK AND/OR PLANT BACK
RAINBOW & BROWN ..