The Garden House, Buckland Monachorum, Yelverton, Devon, PL20 7LQ. The Garden House opens on Friday, Saturday, and Sunday, from 10.30am till 3.30pm. Visitors can explore the world renowned Matt Bishop Snowdrop Collection, one of the most diverse collections of named and naturalised snowdrops in the UK. While the Colin Mason Collection offers Galanthophiles over 350 snowdrop varieties to look out for around the gardens in February. For all the details, please click here. Information for disabled visitors can be found here.