Blackthorn?

Flowers from a bush in our garden, tentatively matched in the Spring 2021 issue of the Staffordshire Wildlife Trust Magazine, page 13 in the Nature Spy section.

It says ‘Blackthorn is one of the first native shrubs to burst into flower around mid-Marsh.’ (I think it means March) ‘Its fluffy white flowers, tinged with pink, provide vital nectar for the first of the years butterflies, bees and flies. See how many different insects you can spot feeding on the blooms.’