Children's Discovery Day 2022 - sponsored by Newcastle Coal Infrastructure Group. Hunter Region Botanic Gardens would love to welcome visitors back to our annual Children's Discovery Day event on Tuesday 5 July. The aim of this event is to provide an educational and entertaining day for children. The emphasis is on botanical and environmental learning activities that stimulate an interest in plants, the environment and the Botanic Gardens. This year we welcome educational stall holders and activities, Hunter School of Performing Arts Marching Band, Hunter Heroes, Let's Love Water Show and more! Entry Cost All tickets $5 - All tickets are non-refundable.