Story: Black Marvel Fertiliser
Episode: 2
Presenter: Trevor Cochrane
Air Date: 29 Aug 2026

Trevor heads behind the scenes at Richgro to discover the science and research behind Black Marvel, a legendary Australian garden fertiliser, and how the company’s commitment to innovation has helped expand the range of garden care products.

• A garden legend – Black Marvel built a reputation among Australian gardeners for producing spectacular rose blooms, becoming a trusted fertiliser for generations.
• The science behind it – Richgro R&D Manager Dr Bede Mickan explains how ingredients, formulations, trials and testing help develop effective garden products.
• A complete garden care system – Richgro has expanded beyond fertilisers into soil preparation, growing media and other garden care products, giving gardeners everything they need to help their plants thrive.
• Research and innovation – Richgro’s products are backed by ongoing research, testing and innovation, including collaborations with institutions such as UWA and adherence to industry standards.
• With more than 110 years of Australian family-owned history, Richgro continues to combine generations of gardening experience with science and innovation. Keep an eye out for Black Marvel at your local garden centre!

For more information, head to:
https://www.yates.com.au/