Botanic Gardens Day is held across Australia and New Zealand on the last Sunday in May each year.
The 4th Botanic Gardens Day will be held on Sunday 26 May, 2019.
Take a look at the 100 Gardens and Arboretum expected to join botanic gardens day this year.
The 4th Botanic Gardens Day Australia and New Zealand is expected to be the biggest yet, with over 100 Botanic Gardens, Arboretum and Gardens participating.
And if you don’t have a special event planned for the day – if your garden is open on the day – you can still take part in the national celebrations.