Council website includes what is and isn’t allowed as well as plant lists and an Indigenous Plant Guide

https://www.casey.vic.gov.au/looking-after-your-nature-strip

See also Council’s Gardens for Wildlife program with Indigenous Plant Guide, Sustainable Garden Guide, and list of local nurseries here https://www.casey.vic.gov.au/g4w

There is also a Facebook page for residents https://www.facebook.com/groups/greenlivingincasey