Biocast+ by Island Biologicals

Growth as Nature intended.

At Island Biologicals we believe that life creates life. Supporting plant health and vigour through biology is what we do. We also believe in creating products that you feel good about applying, and that will be good for you and the planet. It’s about growth, as Nature intended.

What we do:


Biocast+ is our signature product. It is a fully stabilised liquid vermicast extract packed with living microbes and natural plant-stimulating compounds to help your plants thrive.

Click here for more info!

Other services

We offer compost worms, worm cast, worm farm tours, educational talks and workshops, and compost/ vermiculture consultancy services.

Click here to learn more!

“The health of the soil, plant, animal and man is one and indivisible”

Sir Albert Howard

News & grower stories

Biological seed inoculation with Biocast+

Biological seed inoculation If you are putting out seed, and want it to germinate into a robust and healthy seedling in a cost-effective way, then a biological seed inoculation with a living product such as Biocast+ is a great option. This post gives some background...


Let’s talk dreadlocks. Not for you, for your plants! Why does the hair style of your plant’s roots matter? When you dig up a plant your want to see dreadlocks along the full length of the roots because it means that the plant has a beneficial connection to soil...

Worms 4 Climate Action

PRESS RELEASE. 20 September 2019 Global Climate Strike. In an unprecedented move, millions of workers at Island Biologicals have gone on strike this morning, to highlight the need for humans to act on global heating. "We're doing all we can" said spokesworm Alex...

Bring a shovel

If being able to see what is happening underground is the gateway to great management of your plants, then the humble shovel is the key. Don't leave home without one!  If you're only looking above the ground, you're only looking at half the story. We have a patch...

Five tips for improving water infiltration

Whether your water's coming from rain or irrigation, you want it getting where it counts - down to the root zone of your plant; and, ideally, deep into the soil to keep things ticking on later too. We don't want to waste that light sprinkle with it all evaporating...

> If you have a Biocast+ story to share we would love to hear it! Call or email Lee on 0427 197 596 or
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One of our favourite parts of business is chatting with people interested in exploring biological solutions. We are happy to discuss how Biocast+ or our other products and services apply in your particular situation, so please contact us today!