Gardening Australia Series 34 Episode 5 Episode 5 Mango, Grass Tree, Herbs, Indoor Plant & Light ( Air Date 2023-03-17 ) Genre Documentary category. Overview "Jane plants unusual herbs; Clarence cares for grass trees; Josh visits a productive home garden; Jerry prunes a mango; Tammy talks indoor light; Costa tours Hannah's home garden; we meet an internationally celebrated florist.".