Mary Berry, President of the National Garden Scheme is launching a major event that will celebrate the importance that everyone’s gardens have acquired during Coronavirus and to raise vital funds for the nursing charities supported by the National Garden Scheme.    Speaking about this exciting initiative Mary said: “Gardens, allotments and balconies became havens for millions of people during the long weeks of lockdown. They have provided us with relief from stress, anxiety and isolation and shown us the importance of a breath of fresh air. At…