Every Wednesday in July and August, 4pm to 5.30pm, starting on 5 July 2023. Meet at the fountain, Borough Gardens, Dorchester. No need to book - adults £7.50, children £2.50. Guidance for children - suitable for over 8's, must be accompanied by an adult. Learn about some of the trees in Dorchester, how to identify them, and the amazing ways in which they work!