The plant Heritage Dorset Group is hosting an illustrated talk by Neil Lucas on the rare and unusual trees and shrubs together with climbers and perennials which share Knoll Gardens with its famous collection of grasses.

‘The Other Knoll Gardens’ takes place on Thursday, February 13 at 7.30 pm in the Conference Room, Kingston Maurward College near Dorchester. Visitors welcome (£2.50; students £1.00 at door).