Posted on 19 May 20167 May 2016 by David Til May is out May (hawthorn) just beginning to flower at the start of the month, at what was also the beginning of thd first spell of really warm weather this year – and a time of accelerated development for many plants. Post navigationPrevious post: Heron courtship, West Park, early MayNext post: Black, hairy, spiky: peacock butterfly caterpillars