The celebrated author shares his passion for the Botanic Garden and reads from the end of the His Dark Materials trilogy.

The plant growing on the island in the lower garden pond.

The new Merton borders - the latest Botanic Garden experiment.

The palm that's not a palm!

A cactus and a euphorbia - an example of convergent evolution.

The rainforest and the desert in the middle of the city of Oxford.

A pink flowered plant that provides a life-saving anti-cancer drug.

The most important tree in the garden - the chocolate giving tree.

How the venus fly trap catches its food.

Lili talks about the water lilies she looks after every day.