Discover the power of pollination at the Arboretum’s annual Spring Flower Show! Buzz into the Arboretum for an early taste of spring with thousands of plants, including spring bulbs, orchids and tropicals, on display in the Oswald Visitor Center and Snyder Building. This year’s flower show gives visitors an up-close look at the often hidden world of plant pollination, whether carried out by wind, by insects or by human hands in the Arboretum’s research orchards.