The colorful harbingers of spring return once again to Frederik Meijer Gardens & Sculpture Park, 1000 E. Beltline NE. Exhibit runs March 1-April 30. See Hours & Rates. The annual Fred & Dorothy Fichter Butterflies Are Blooming exhibition is the largest temporary tropical butterfly exhibition in the nation. Throughout the exhibition, there is special educational programming and the Lena Meijer Children’s Garden offers butterfly-themed activities.