Kalmia latifolia, aka Calico bush, Spoonwood or Mountain laurel, the state flower of Pennsylvania and Connecticut.
Calico
by gaby in Cambridge and tagged Calico-bush, Connecticut, drop, droplets, flowers, green, iPhone, Kalmia latifolia, leaves, Mountain laurel, Pennsylvania, pink, plant, poisonous, rain, raindrops, Spoonwood, state flower, water, white