A new ecologically rich forecourt at Sydney Airport is thriving under the care of Indigenous biodiversity experts.

The immersive bush landscape - a tranquil refuge for the 40 million-plus passengers and workers at Australia's busiest airport - was recognised at last week's Landscape Architecture awards.

The Sydney Airport project, led by Hassell and Wildflower Gardens for Good, was recognised for its integrated First Nations design and delivery-led process.

Wildflower, a Redfern-based social enterprise founded by Indigenous land care experts, provides crucial employment opportunities for Indigenous youths who face complex barriers to finding work.

Hassell and Wildflower collaborated on the project delivery, with the latter continually engaged to provide long-term care of the site, which is now thriving one year on from opening.

The Widlflower team collaborated from the outset with international design firm Hassell, installing the naturally-designed planting areas and now caring to the landscape, which is now lush with more than 12,500 native plants.

The design prioritised planting and lawn, resulting in a 40 per cent reduction of paving, while a 500 per cent increase in plants and turf has further helped biodiversity renewal.

The revitalised area at one of Australia's most traversed public spaces is now renowned for its relaxed ambience and ecologically-rich bush setting landscape.

The Australian Institute of Landscape Architecture NSW Awards honoured the landscape project in its infrastructure category last week, saying it set a new standard for how projects, designers and clients could work collaboratively, and be led by Country through a First Nations-focused delivery method.

Wildflower co-CEO, Roman Deguchi said several First Nations organisations were involved in each phase of the biodiversity renewal initiative, leveraging Indigenous knowledge, from co-design to ongoing care at the site.

"This project is unique in that it allowed Indigenous knowledge and talent to shine at each stage," he said.

"What this project has created for Wildflower is an opportunity for our people to become Custodians once again, and you can see the benefit of that as this green space continues to flourish."

He said long-term collaborations with major partners such as Hassell helped Wildflower develop and mature while delivering its objectives.

"Our prime focus is providing employment for Aboriginal youths struggling to find work, and helping them sustain it," Mr Deguchi said, referencing the ongoing success of the Sydney Airport International project.

Other First Nations project collaborators included Jiwah, a cultural landscape and design company, and Imbue Studios, which oversaw the construction phase.

The Gujaga Foundation guided the embedded cultural language and interpretational elements of the paving and seating.

Hassell managing principal and project lead Jason Cuffe said the design was largely defined by the "culture that has cared for this Country for thousands of years".

"It provides an ecologically rich planting palette that supports insects and pollinators like bees and butterflies, transforming this transport interchange into a space that is defined by landscape," he said.

"We are committed to continue strengthening our partnerships with First Nations organisations.

"Through the ongoing engagement of Jiwah, Imbue Studios, and Wildflower Gardens for Good, we look forward to supporting the growth of the local First Nations design and construction industry."

Sydney Airport specialist design manager, Lisa Airth said the co-design, delivery and ongoing care by First Nations organisations ensured those who fly in and out of the city had a memorable visitor experience underpinned by and celebrating Country.

"The T1 international forecourt project exemplifies our commitment to sustainability, and First Nations recognition," she said.