Irthlingborough Open Gardens & Plant Sale is on Saturday 3rd May 2025 and Sunday 4th May 2025, from 11am until 5pm (there’s a 12.30pm start on Sunday) at Irthlingborough, near Wellingborough, Northamptonshire, East Midlands, NN9 5PU. Gardens opening include leafy backyards, some with stunning vistas over the Nene Valley and fascinating gardens with ponds and water features. There will be plants for sale in some of the open gardens. For more information, please click here.