Full sun gardens can be some of the most colourful and rewarding spaces in Australia, but success depends on choosing plants that suit your local climate. This guide covers the best full sun garden plants for Australian conditions, from hardy natives like grevillea, kangaroo paw, and bottlebrush to reliable favourites like lavender, rosemary, salvias, and lomandra, with tips for Sydney, Melbourne, Brisbane, Perth, Adelaide, Canberra, Hobart, and Darwin.