Search the Garden Collections with the New Arboretum Explorer Tool!
This mobile-friendly tool replaces our former Plant Finder map and aims to provide the most updated plant collections data to the public and better support the visitor experience.
July 28–30: Construction and Paving Will Impact Parking and Entrance
While the Arboretum remains open, we highly encourage visitors to use public transportation or park in the East Deck and use the pedestrian walkways leading into the Arboretum from Park Avenue and Bigler Road.
Popular Pollinator Paradise: Milkweed in Bloom
This herbaceous perennial of the dogbane family (Apocynaceae) started blooming in May and will continue to show flowers throughout the whole summer.
All Abuzz for Bee Balm!
From late May into July, one of the most popular and important native wildflowers will be blooming here in our gardens and prairies and along roadsides! Bloom time can extend into the early fall season, depending on the species.
Romantic Roses Filling the Air: Now in Bloom
A nostalgic favorite and certainly a tried-and-true garden classic, roses are now in bloom in the gardens!
Colorful Charismatic Vines: Clematis in Bloom
Clematis season is upon us, with plants flowering in the early summer and throughout the season here in Pennsylvania.