Biomix Organic Compost & Mulch

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Biomix Organic Compost & Mulch Based in central Victoria, our passion is to produce high quality organic compost and mulch It also provides compost products for use in the home garden.

Established in 2012, Biomix is one of the largest Australian owned compost providers in Victoria. Using a combination of enclosed vessel composting and open windrow maturation we produce a high quality mature compost product. Biomix has focused on developing solutions for the agricultural markets which can improve soil health, reduce water use and increase plant yield.

09/11/2026

There’s something special about seeing the results of our work growing all around us.

These bright yellow canola fields surrounding Biomix grow on land treated with compost made right here at our Stanhope facility.

What began as green waste was carefully transformed, returned to the soil and used to support the next season of growth.

From green waste to quality compost—and back to the land.

06/11/2026

Before green waste can become quality compost, everything that doesn’t belong has to come out.

Each load is shredded and carried into our sorting station, where the BioMix team removes plastics and other contaminants by hand.

Only then is the organic material ready to move on to the next stage of composting.

Quality compost starts with getting the first step right.

04/11/2026

That steam is a sign the composting process is well underway.

As green waste breaks down, microorganisms generate heat inside the windrows. On a cold winter morning, that warmth meets the cooler air and becomes visible above the pile.

Each windrow spends around eight months being turned, watered and temperature-monitored before becoming finished BioMix compost.

It may look quiet from the outside, but inside, the compost is hard at work.

Meet Brad! He’s our site manager and has been part of the Biomix team for about four years.“I’ve used our compost on som...
17/10/2026

Meet Brad! He’s our site manager and has been part of the Biomix team for about four years.

“I’ve used our compost on some of my own paddocks where the ground was pretty hard clay. It’s made a big difference and really helped build the topsoil back up.

I enjoy seeing green waste and FOGO come into the site and leave as quality compost that farmers can put to good use. We’ve also got a great team here, which makes it an enjoyable place to work.”

09/10/2026

Not many people get to stand on top of more than 100 tonnes of green waste while it slowly becomes compost.

From up here, all you can see are windrows stretching across the site. Each one stays here for around eight months, building heat as the material breaks down. During that time, it is watered, temperature-monitored and turned repeatedly to keep the composting process moving evenly.

Then you hear the excavator fire up beside you and remember—the windrows don’t turn themselves. Time to step aside.

Definitely not your average workplace view.

07/10/2026

A lot goes into every load of BioMix compost.

Green waste is shredded, sorted by hand, moved into windrows, turned, watered and carefully monitored over the coming months.

What begins as organic waste becomes quality compost, ready to return organic matter to the soil and support the next season of growth.

06/10/2026

This truck isn’t just carrying compost. It’s carrying months of careful work and the foundation for what grows next.

Every load is carefully blended, turned, watered, monitored and screened before leaving our Stanhope site.

The bright yellow canola fields surrounding BioMix grow on land treated with our compost. The results speak for themselves.

From green waste to quality compost, then back to the land.

27/09/2026

This is what months of careful composting looks like in the palm of your hand.

Food organics, green waste, hatchery material and grease trap waste are blended, processed, turned and monitored until they become this dark, rich and consistent finished compost.

The result is a quality product that returns organic matter to the soil, supports soil structure and helps improve moisture retention.

What begins as waste becomes something valuable for Victorian farms and growers.

23/09/2026

Turns out the toy diggers were just early training.

Creating quality compost at this scale takes some serious machinery. Excavators, loaders, shredders, conveyors and screening equipment all help move, sort, mix, turn and process the material.

Here, the excavator is turning a windrow to mix the material, bring in oxygen and keep the composting process moving evenly.

The toys got bigger. So did the job.

22/09/2026

Every load of green waste that arrives at BioMix begins a carefully managed journey.

It is collected, fed through the shredder and carried along the sorting line, where our team removes contaminants by hand. From there, the sorted material is loaded up and moved to the windrows, where the composting process begins.

Over the coming months, it will be carefully turned, watered and temperature-monitored as it transforms into quality compost ready to return to the land.

What arrives as green waste leaves as a valuable resource.

Address

980 Two Tree Road

Opening Hours

Monday 06:00 - 15:30
Tuesday 06:00 - 15:30
Wednesday 06:00 - 15:30
Thursday 06:00 - 15:30
Friday 06:00 - 15:30

Telephone

+61451378028

Website

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