By Press Association

Citizen science survey has received only 31 reports of first ripe blackberries around the country so far

Blackberry crumble is not on the menu yet as a cold spring has delayed the ripening of the traditional British fruit, wildlife experts said.

The Woodland Trust has only received 31 reports of ripe blackberries so far to its Nature’s Calendar survey, in which members of the public record the signs of the changing seasons.