Everything we publish on sowing, feed planning and seasonal timing, plus a downloadable tech sheet for every mix and variety we stock.
Cover Crop Plus Summer Mix brings seven complementary species together to protect bare summer soils, provide forage, diversify roots and cycle nutrients in WA dryland systems.
Read article ↗With fertiliser in short supply, legumes and biological inputs like BioNPK Powder S give WA growers a practical way to keep soils fertile and productive while relying less on synthetic fertiliser.
Read article ↗How WA horse property Aspire Equine turned weedy, eroding paddocks into year-round, high-performance pasture with a diverse mix of Irwin Hunter & Co species, cutting hard feed and hay.
Read article ↗How regenerative principles work through pasture design in WA, and how diverse, locally suited seed mixes keep roots in the ground, cover soil, cycle nitrogen and lift productivity.
Read article ↗A practical guide for WA smallholders: set clear goals, fix soil constraints, choose species to suit the land, establish pasture properly and manage grazing to build productive, resilient feedbases.
Read article ↗Irwin Hunter & Co trials at Wongan Hills and Ballidu show BioNPK Powder S lifting grain yield and quality and returning three to four times its cost, and explain how its microbes make N, P and K more available.
Read article ↗Equi1st Pasture Mix is a diverse, science-based blend designed for horses' nutritional needs, with low sugar and starch, moderate protein and year-round productivity, and it suits other livestock too.
Read article ↗Cover Crop Plus Winter Mix blends 13 species, from legumes and cereals to brassicas and herbs, coated with BioNPK Powder S to suppress weeds, build biomass and improve WA soils.
Read article ↗Nitro Mix combines six legumes coated with BioNPK Powder S to fix nitrogen, extend feed production and rebuild soil, for grazing, cover cropping, vineyards and orchards.
Read article ↗How the Self Regeneration Mix, built around ARGT-resistant Safeguard annual ryegrass, helps WA growers regenerate pastures, protect livestock and hay from ARGT and keep feed coming, with one farmer's experience.
Read article ↗Why SouWest Pasture Mix is still WA's best-known pasture blend: where it suits, its sowing rate, and the ryegrass and clover varieties that give it productivity, diversity and reliability.
Read article ↗How choosing pasture species to suit each paddock's soil, rainfall and goals improves feed, persistence and soil health, and how IHSeeds' Mix & Match option builds a custom mix for your farm.
Read article ↗Why Abundant tetraploid and Dargo diploid annual ryegrasses remain two of WA's most reliable performers, with their strengths, Forage Value Index results, sowing rates and the IHSeeds mixes they feature in.
Read article ↗The Irwin Hunter & Co Seed Shed for 2026, the company's 60th year: the season outlook, weed and soil health advice, and a run through the pasture mixes, ryegrasses, legumes, lucernes and cover crops in the range.
Read article ↗Irwin Hunter & Co marks 60 years of helping WA farmers grow stronger pastures, with a look at how its seed mixes, Mix & Match service and BioNPK Powder S support productivity and soil health.
Read article ↗What perennial pastures and summer cover crops offer WA farming systems, and how the Northern Perennial, Southern Perennial, Cover Crop Plus Summer and Equi1st mixes differ on species, sowing and establishment before first grazing.
Read article ↗A side-by-side look at three Irwin Hunter & Co blends for WA: MaxiMix for all-round production and nutrition, SouWest for productivity and diversity, and Self Regeneration Mix for early-flowering, ARGT-safe regenerating pasture.
Read article ↗Why certified Safeguard is the only annual ryegrass with proven ARGT resistance, how it cleans up contaminated paddocks over a few years, when to sow it so it cross-pollinates with Wimmera ryegrass, and how Self Regeneration Mix builds on it.
Read article ↗The groundwork for a productive WA pasture, from defining its purpose and testing soil pH to species choice, followed by step-by-step establishment and grazing advice for MaxiMix, with its 25–35kg/ha sowing rate for 450mm+ rainfall.
Read article ↗Why SouWest Pasture Mix has stood the test of time in WA, how to sow, graze and lock it up for regeneration, and what each ryegrass and clover component brings, with its 500mm+ rainfall and 15–25kg/ha sowing rate.
Read article ↗A soil-by-soil guide to pasture species for WA: drought-tolerant grasses and legumes for low-rainfall areas, high-yielding annual ryegrasses, and which clovers, serradellas and grasses suit deep sands, waterlogged ground and saline paddocks.
Read article ↗What cover crops do for WA soils, from structure and moisture to weed suppression and nitrogen, and a species-by-species look at the 13-species Cover Crop Plus Winter Mix, with sowing rate, rainfall and pH guidance.
Read article ↗How the Self Regeneration Pasture Mix uses ARGT-resistant Safeguard annual ryegrass with Paradana Balansa, Hykon Rose and Dalkeith sub clover to regenerate year after year, and how certified Safeguard breaks the ARGT cycle over a two to three year program.
Read article ↗Practical pasture management for small landholdings in WA: weed control before sowing, soil testing and pH, seedbed preparation, drought planning, letting pastures set seed, and using rotational grazing and sacrifice paddocks to prevent overgrazing.
Read article ↗The factors that decide the right pasture for a WA farm, and how four Irwin Hunter & Co mixes compare: SouWest for diversity and regeneration, Silahay for bulk hay and silage, MaxiMix for value across the season, and Irrigation Mix for watered country.
Read article ↗What horses need from a pasture, how the Equi1st Mix blend of annual and perennial grasses and legumes delivers low-sugar, moderate-protein grazing year-round, and how it changed turnout for one horse owner's three horses.
Read article ↗Why legumes belong in every WA pasture: nitrogen fixation, soil structure and nematode-cycle breaks, how to match clovers, serradellas and medics to soil and rainfall, and how Nitro Mix performed as an interrow at Castle Rock Estate.
Read article ↗A WA grazier explains how a Mix & Match custom blend of late-season diploid and tetraploid ryegrass with Paradana Balansa and Persian clovers was matched to his low-lying clay-loam soil, and what it delivered for grazing, meadow hay and regrowth.
Read article ↗A tour of the Irwin Hunter & Co pasture mix range for WA, from the Safeguard-based Self Regeneration Mix for ARGT control and the BioNPK Powder S seed coating to SouWest, Equi1st, Silahay, MaxiMix and the cover crop mixes.
Read article ↗The Irwin Hunter & Co Seed Shed cover story for 2025: seasonal outlook after the record-dry 2023-2024 summer, why soil pH matters before restocking, and a run through the pasture mixes, ryegrasses, legumes and cover crops in the range.
Read article ↗What perennial pastures and summer cover crops offer WA farming systems, and how the Northern Perennial, Southern Perennial and Cover Crop Plus Summer mixes differ on species, rainfall and establishment time before first grazing.
Read article ↗A side-by-side look at the SouWest, Silahay, Self Regeneration and Maximix pasture mixes - what each is built for, the rainfall zones and sowing rates they suit, and which can be managed for regeneration the following year.
Read article ↗Lance Kennedy on what it actually takes to shift from conventional to regenerative pasture in WA: biodiversity across four plant families, stocking density and grazing management, and the seasonal risks that species choice can mitigate.
Read article ↗How tetraploid and diploid annual ryegrasses differ in tiller density, feed quality, grazing residual and sowing rate, with variety notes on Abundant, Amazon T, Dargo and Safeguard to help match a ryegrass to your grazing system.
Read article ↗Practical pasture management for WA small holdings: species selection and seedbed preparation, why at least one paddock should be left to seed set each year, rotational grazing, and using a sacrificial paddock or fenced firebreak to avoid overgrazing.
Read article ↗How cover crops keep a living root in the ground for more days of the year, why root exudates drive soil carbon, and which Irwin Hunter & Co mixes suit a winter or summer cover crop.
Read article ↗A guide to matching pasture legumes to WA conditions - sub clovers and serradellas on acid sands, balansa and Persian clovers where it waterlogs, hard seeded options for false breaks, plus salinity and perennial choices.
Read article ↗A Chittering Valley grower explains the soil testing, liming and seed bed preparation behind his pasture turnaround, followed by a rundown of what each Irwin Hunter & Co speciality mix is built to do.
Read article ↗Safeguard is the only ARGT resistant annual ryegrass on the market. This article covers how it controls the nematode behind annual ryegrass toxicity and why it should be sown before the break to cross pollinate with Wimmera.
Read article ↗What goes into the Equi1st horse pasture mix and how a Maida Vale owner replaced capeweed and Patterson's curse with green feed using only harrows, a garden spreader and a well-timed sowing.
Read article ↗A quick guide to choosing between annual, perennial and Italian ryegrass for a WA pasture, with the varieties IH Seeds carries in each group and what each type is best suited to.
Read article ↗The practical payoffs of regenerative pasture - soil structure, water infiltration, carbon sequestration, biodiversity and stock health - plus how to lay the groundwork with soil pH, a clean seed bed and a diverse mix.
Read article ↗A season-planning rundown for a dry, El Nino-affected 2024: how to assess pastures and feed banks before the break, and which Irwin Hunter & Co mixes, ryegrasses, legumes and cover crops suit re-seeding or over-sowing.
Read article ↗Compares the Northern Perennial, Southern Perennial and Summer Cover Crop Plus mixes, with the species in each plus sowing rates, soil temperature and pH targets, and grazing heights for sub-tropical perennials.
Read article ↗Explains why cover cropping succeeds on some farms and not others: set a goal, read the weeds and soil conditions, then pick species from different functional plant groups. Lists WA-suited legume, cereal and brassica options.
Read article ↗Sets out the basics of regenerative agriculture for WA farms - a living root, plant diversity, reduced tillage and livestock integration - and which Irwin Hunter & Co mixes give the species diversity to support them.
Read article ↗How to match pasture choice to rainfall, soil type, soil limitations and livestock, with annual ryegrass sowing rates of 10kg/ha in low rainfall up to 25kg/ha in higher rainfall, and a guide to the Irwin Hunter & Co mixes.
Read article ↗Why more WA farmers are specifying their own bare-seed blends, illustrated by Margaret River dairy farmers Rod and Nicole May, whose Mix & Match uses Abundant and VS Tetila ryegrass with Paradana Balansa clover.
Read article ↗The management guide for Safeguard annual ryegrass, bred for resistance to the nematode behind annual ryegrass toxicity: paddock preparation, reducing Wimmera seed reserves, a minimum sowing rate of 8kg/ha, test strips and grazing management.
Read article ↗Compares two early flowering sub clovers: Izmir as a replacement for Nungarin below 375mm annual rainfall, and Urana as a replacement for Dalkeith in 400mm plus country. Includes attributes and sowing rates for each.
Read article ↗Why a near equal diploid and tetraploid ryegrass mix with uncoated clover seed lets you drop the sowing rate by 20pc, still sow more seeds per hectare and save about $12.50/ha on a silage and hay pasture.
Read article ↗A Mardella dairy case study on Abundant tetraploid annual ryegrass: 160-170ha sown at 25kg/ha with sub clover and balansa, the fertiliser timing behind it, and the grazing, silage and hay results it delivered.
Read article ↗Dargo diploid annual ryegrass yielded 112 per cent of the trial mean on winter and early spring cuts at Waroona. Covers its attributes, sowing rates by rainfall zone and the grazing and fertiliser steps that lift yield.
Read article ↗