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Weed Control Chemicals NZ

Effective Weed Control Chemicals and Soil Boosters, distributed across New Zealand

Rainbow & Brown supplies a range of selective herbicides and weed control products as well as bulk blood and bone fertiliser and liquid lawn fertiliser.  We select only the highest quality products with proven results.  Products can be shipped throughout New Zealand

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From our Blog

13 Sep What Is Biochar and How Does It Work in NZ Soil?
Casey 0 7
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17 Aug How to Control Buttercup in Pasture NZ (Without Losing Your Clover)
Shayne 0 180
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05 Aug How to Kill Californian Thistle in Pasture NZ
Casey 0 237
Californian thistle is hard to kill because the plant you see is only the top of a deep, spreading root system that keeps throwing up fresh shoots from root buds. Knocking back the top growth won't get on top of it. The reliable approach is a herbicide that moves through the whole plant down to the root buds, applied while the thistle is actively..