Country diary: cool weather has prolonged flowering in the orchard

Kit Hill and Metherell, Tamar Valley: This pear tree remains spectacular, with creamy blossom on wide-spreading branchesAt dawn, birdsong floats up from shrubby undergrowth towards the cold summit of Kit Hill. Mist lies in the lowest valleys and, like the scattered enclaves of yellow oilseed rape and plastic-covered maize plantings, appears luminous among the pale greens and blues of the expansive patchwork of fields and woods.The first cuckoo call of the season impels a brief runabout in honour