Keywords: glacier national park glaciernationalpark plants beargrass lily symbol bloom flower wildflower outdoor plant An unofficial symbol of Glacier National Park, beargrass blooms on an unpredictable cycle of 3-7 years. Photo: NPS/David Restivo An unofficial symbol of Glacier National Park, beargrass blooms on an unpredictable cycle of 3-7 years. Photo: NPS/David Restivo |