This Blog section is for news about Rainbow & Brown products and their application but especially new products.
This is the place to come to ask a question or find an answer about what is that weed and how best to deal with it for your specific circumstances.
06 Oct
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7593
In reply to a customer question Sept 20131. Decision is a good spray for pasture-friendly weed control in new pasture. It handles fathen, and quite a few other relevant species. See attached copy of the directions leaflet for weeds controlled, rates, etc. Note that it's only fully safe on clover after the clover has passed the two-leaf (i.e. tw..
06 Oct
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In reply to a customer question regarding control of Gravel Groundsel Gravel groundsel (Senecio skirrhodon) is, according to Massey University & other authorities, controlled by nearly all herbicides, except for a few specialist cropping herbicides. But there aren't any herbicides specifically registered for gravel groundsel, so we've got to make a..
06 Oct
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In response to a question from a farm adviser about a customer who'd sprayed for plantain control, and now wanted to drill new seed.Broad leaf plantain is normally taken out successfully at the normal rates at which glyphosate is used to spray out paddocks for cropping or for new pasture.That is between 3L/Ha and 5L/Ha when using G360 liquid, or th..
06 Oct
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Regarding clover, you'll be aware that glyphosate is not effective against it. And you will also probably be aware that the herbicides that are very effective against clover (triclopyr, metsulfuron-methyl) do have some residual effect that may well be harmful to your flower species. Triclopyr is one of the actives in Rainbow & Brown's GrassMate, ..
15 Jun
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315
Healthy horse paddocks in NZ need a three-pronged seasonal approach: weed control for persistent species like docks and buttercups, residual fly and tick management through summer, and trace mineral support to fill gaps that good pasture alone can miss.
✓Docks and buttercups reduce pasture quality and can irritate horses; treat in early spring..
28 May
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418
Foliar fertilisation means spraying dissolved nutrients directly onto plant leaves, where they're absorbed through the leaf surface and bypass the soil entirely. It's most useful for correcting mid-season deficiencies quickly, delivering micronutrients that soil chemistry is locking up, and supporting plants at critical growth stages when you can..
10 Mar
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Note: This article was last updated March 2026
What Can We Use Instead of Banvine(1)?
Quick answer: Banvine(1) contained 200g/L 2,4-D and 100g/L dicamba. The closest ready-mixed alternative from Rainbow & Brown is LawnMate. A lower-cost option is to use individual herbicides such as WHACK – 2,4-D 800 and Rainbow & Brown Dicamba 500 SL, but any ..