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Horticulture & Viticulture

Jeffries composts and mulches are the trusted choice for commercial growers, across South Australia and into New South Wales and Victoria. 

Our flagship products

Jeffries Organic Compost

Provides immediate and ongoing soil conditioning benefits by adding vital organic carbon and living micro-organisms to your soil. This increases your soils’ fertility for stronger, healthier plant growth, all while saving you water.

Jeffries Rustic Choice

Our newest commercial growers product, moderately refined and readily available, providing a strong return on investment for commercial growers wanting to improve their soils.


Jeffries Dura Mulch

Our most durable, coarse, long lasting mulch. Jeffries Dura Mulch provides excellent protection against moisture loss, suppresses weed growth and will add valuable carbon to your soil as it slowly breaks down.

Custom Blending

We know soils and growing media and can help you customise a blend perfect for the job.

Using Jeffries Organic Compost, soil or mulch products as a base, any prescribed organic and inorganic soil amendments can be blended through to your specification.

Find your nearest distributor

      For Horticulture and viticulture enquiries

      Christian Leonardi

      Christian Leonardi

      Horticulture Division

      Mobile: 0420 806 620

      case studies and articles

      Jeffries Organic Compost – The smart choice for professional growers

      The smart choice for professional growers One of the most important components for improving soil fertility and farm productivity is organic matter or organic carbon Organic matter improves soil structure as well as water and fertiliser efficiency, ultimately leading...

      Soil pH – what you need to know

      High Soil pH? Bin the test kit and don’t panic! Phil Barnet from ProAg is a very clever Adelaide based soil professional that Jeffries calls upon when we need to know even more about soil! I regularly hear from stressed gardeners and landscapers who have tested soil...

      Salinity issues?

      Do you really know what you are putting on your soil? Have you been using chicken manure and wondering why your salinity is going up? Based on a typical analysis, every 30 tonne truck and trailer of product, Jeffries Organic Compost is higher in organic matter and...

      Certified for Organic Production

      The majority of our products are certified for organic production by NASAA. Look for this symbol.

      Find out more