'Botanic' denotes plants or plant life, or 'phytology' in scientific field. Trees, shrubs and all kinds of flora are botanic. Each of Australia's State capitals is home to botanic gardens, and many botanic gardens can be found across metropolitan areas and in townships throughout Australia.
This web site is under construction, but if you would like to visit botanic gardens, here are some helpful links:
Royal Botanic Gardens Victoria | The Royal Botanic Garden Sydney | Botanic Gardens of South Australia