On Sunday 15th February 2026, Devonshire Mill Garden will be opening from 11am until 4.30pm for the NGS. Devonshire Mill, Canal Lane, Pocklington, York, East Riding of Yorkshire, YO42 1NN. Drifts of double snowdrops, hellebores and ferns surround this historic Grade II listed watermill. Explore the two acre garden with mill stream, orchards, woodland, herbaceous borders, hen run and greenhouses. The old mill pond is now a vegetable garden with raised beds and polytunnel. Over the past twenty years, the owners have developed the garden on organic principles to encourage wildlife. There will be a plant stall at this opening. For all the details, please click here.