Don’t Delay: Tree Peonies Now on Display! May 7, 2025May 7, 2025 If you’re eager to see beautiful blooms, now is a great time to visit the Rose and Fragrance Garden at the Arboretum’s H.O. Smith Botanic Gardens. You won’t want to miss the short bloom period (usually only 1 to 2 weeks) of the hybrid tree peonies! Read More about "Don’t Delay: Tree Peonies Now on Display!"