The Greens don't have a bottom line for forming a coalition in parliament.

Co-leader James Shaw reveals instead the party has six top priorities it's taking into this election.

He told Kerre McIvor those include income support, transport, housing, the marine environment, clean energy and the future of farming.

Shaw says they're not going to get everything they've laid out - but they want to make progress across all six packages.

Watch the video above