The revolutionary way to grow happy, healthy houseplants.

Enjoy a thriving indoor jungle all year round with the ultimate indoor plant food. Four concentrated liquid fertilisers with special benefits for each season. It’s a breakthrough in houseplant health.

Buy the Ultimate indoor Plant food

Watch your plant babies thrive (even in winter).

Just like us, houseplants need a complex variety of nutrients, vitamins and minerals throughout the year.
The Ultimate Indoor Plant Food consists of four special seasonal blends that offer remarkable benefits. Your plants will thank you the best way they can – by exploding in beautiful leaves and colour.

Buy Now for $59

Shiny new leaves are just the beginning...

This is the real stuff. Developed from over 20 years in global organic farming and tested across millions of plants, we have combined innovative natural ingredients and technology never before available to the home gardener. The result is a spectacular natural fertiliser system.

It's next-generation indoor plant food. Your plants won't believe their roots.

Feed your plants right

Australian Made
and Owned

Sustainable
Packaging

Premium Natural Ingredients

Vegan Friendly

"I have been using your product since it came on the market. I no longer have to worry about the nutritional status of my indoor plants as they are healthy all year round … All the adults in my family are now using your product.
Well done and thanks."

– William M.

"… I bought myself another pack for Christmas and one also for a gift for my friend who is extremely envious at how much bigger and better my plants have become compared to his. Best stuff EVER!"

– Michelle D.

"I have to admit I was very sceptical about Big Green Monster fertilizer. I’ve been using it from the start of October regularly & have to say I’m very impressed. My plants are doing very nicely & are really healthy. Thank you for finally working a formula that actually works! Congratulations!"

– Christine Y

Four seasons of vibrant plant growth in one box.

The Ultimate Indoor Plant Food is a sustainable pack containing 4 x 100 mL glass bottles of advanced seasonal houseplant fertiliser, a measuring device and an instruction card.

It's easy to use. Just add 1 mL per litre of water to your watering can and water like usual. The pack makes up to 400 L of fertiliser – enough for even the wildest indoor jungle.

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SPRING

A unique, full-spectrum, natural plant food to kickstart growth and promote the spring flush.

SUMMER

An energy-packed blend of essential minerals and nutrients to accelerate growth through the warmer months.

AUTUMN

An infusion to nourish, activate and build resilience during the autumn wind-down.

WINTER

An elixir for the darker, cooler times. Boosts photosynthesis and acts like a warm blanket to protect and nurture.

Learn more about seasonal benefits & key ingredients

Try the most advanced houseplant fertiliser ever created.

You'll notice a difference in weeks, see wonders in a season. The Ultimate Indoor Plant Food delivered right to your door.

Buy now for only $59

The Happy Plant Guarantee

We guarantee you'll see big improvements in your plants within 45 days, or we'll give your money back. Return it and we'll refund the full product price. Happy Plants = Happy People! Refund policy here.

Try it risk free

We acknowledge the Boonwurrung/Bunurong and Wurrundjeri Woi Wurrung of the Eastern Kulin Nation — the first and continuing custodians of the land on which we live and work. Sovereignty has never been ceded. We pay our respects to Elders past and present.