The first director of the Scott Arboretum, John C. Wister, was a passionate rhododendron
grower and hybridizer. Largely due to his efforts, over 350 different rhododendron and
azalea cultivars now grow at the Arboretum. While they can be seen across the
Arboretum, the rhododendron collection is concentrated by the Amphitheater in the Crum
Woods. The plants thrive here in the understory of the massive oak, ash, and tulip trees.
Spring is the season to observe these plants in flower as their colorful blossoms light up
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