Country diary: forward into spring, back to pre-Raphaelite days

Worcester Park, Sutton: Urban sprawl has engulfed the farm where Millais and Holman Hunt spent an idyllic summerThe Ordnance Survey app on my phone tells me where I am, but I’m finding the question of when I am trickier. In travelling 250 miles south to a south-western suburb of London, I’ve hopped almost two weeks forward in the schedule of blossom, bulb and birdsong, and 170 years back in the company I’m keeping. The first morning, I heard my first song thrush, mistle thrush