Visitors are making the annual visit to the University of Michigan to see and smell one of the world’s premier collections of herbaceous peonies. (AP video: Mike Householder)

Nicole Calvin crouches down to look at peonies on display at Nichols Arboretum’s W.E. Upjohn Peony Garden, Monday, June 1, 2026, in Ann Arbor, Mich. (AP Photo/Mike Householder)

Peonies are on display at Nichols Arboretum’s W.E. Upjohn Peony Garden Saturday, May 30, 2026, in Ann Arbor, Mich. (AP Photo/Mike Householder)

Visitors walk among the peonies on display at Nichols Arboretum’s W.E. Upjohn Peony Garden Saturday, May 30, 2026, in Ann Arbor, Mich. (AP Photo/Mike Householder)

ANN ARBOR, Mich. (AP) — Nicole Calvin has been visiting the University of Michigan campus annually over the past 16 years to catch a peek — and a whiff — of the school’s sizable peony collection.