An arboretum is a living library of trees from around the world. This week, we're off to Harcourt Arboretum, looking at its wildflower meadow and its significance for local wildlife. Plus, we're getting hands-on with impressive giant redwoods!

The Jolly Postman at the Postal Museum
16:10

Explore nature anywhere with the Green Tree Badge
08:08

Meet Duggee and Bluey
19:29