Calder Permaculture has become a trusted name in natural soil improvement across Australia. The business is built on a simple principle: healthy soil creates healthy plants. Their founders have spent decades transforming hard, depleted ground into thriving, productive land. They prove that regenerative growing is not only possible but practical for everyday gardeners and large-scale producers alike.

Their flagship product, STIMULATOR, captures this philosophy in a single bottle. It is a certified organic liquid worm-casting solution containing millions of beneficial microbes and nitrogen-fixing bacteria. These living organisms are the true workers of healthy soil. They rebuild soil structure, unlock nutrients, and reduce the need for synthetic fertilisers. STIMULATOR improves aeration. It increases water retention. It also helps minimise erosion and nutrient leaching — issues common in tired or compacted soil.

The team at Calder Permaculture lives these principles on their own property. They grow more than 80 percent of their food without chemical sprays. Their gardens thrive through crop rotation, clover pastures, rich worm activity, and a continuous focus on regenerating the soil beneath their feet. This practical experience shapes every product and recommendation they offer.

Their story stretches back more than thirty years. Over that time, they witnessed how microbial diversity can repair even the poorest earth. They turned personal experimentation into a proven, scalable approach that now benefits growers nationwide. STIMULATOR is widely used by home gardeners, market growers, farmers, and anyone looking for a natural alternative to synthetic inputs. Many users report stronger root development, improved plant vitality, and richer, darker soil after repeated applications.

Calder Permaculture stands out because they promote a whole-system view of soil health. They offer not just a product but a regenerative philosophy that supports long-term fertility and environmental balance. Their work shows that when soil is fed with biology instead of chemicals, it becomes a living ecosystem that supports abundant growth.

For anyone seeking a cleaner, healthier way to garden or farm, Calder Permaculture offers a practical path forward — one rooted in experience, organic principles, and a genuine commitment to restoring the land.

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Available from various across Victoria or order online.

Calder Permaculture products have used EAN-13 barcodes from Barcodes Australia since 2021.