A blackthorn winter. Traditionally a spell of cold weather in early April that coincides with the blossoming of blackthorn in the hedgerows. A tree of folklore and of magic spells. #blackthorn #Derbyshire https://t.co/gMaPwElKOCA 6020085 A blackthorn winter. Traditionally a spell of cold weather in early April that coincides with the blossoming of blackthorn in the hedgerows. A tree of folklore and of magic spells. #blackthorn #Derbyshire