Home to one of the largest collections of species rhododendrons in the world, the Garden displays over 700 of the more than 1,000 known species. The RSBG is a non-profit membership organization dedicated to the conservation, public display, and distribution of Rhododendron species. The tropical conservatory, fern stumpery, alpine and pond gardens, plus the blue poppy meadow provide year-round botanical interest. Garden Gift Shop and Nursery on site. Open 10 AM – 4 PM, Tuesday through Sunday, year-round.