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Welcome
You can now explore the living plant collections in the H.O. Smith Botanic Gardens at the Arboretum at Penn State with our new mobile-friendly Arboretum Explorer tool.
Our collections represent more than 117 families, 392 genera, and 1,380 species of plants. There are over 5,000 unique accessions in the Arboretum that include over 200,000 individual plants, each carefully recorded in our plant records database and inventoried, photographed, labeled, and mapped. Our collections serve as an outdoor classroom and living laboratory as well as a research site and place of enjoyment for many students and visitors.
Arboretum Explorer will be updated as plants are added to the collections and gardens expand. You can look forward to more images, locations, plant descriptions, tours, visitor service features, and more as we continue to collect data about our collections.
  • Use the SEARCH tab to look up plants by name, family, or garden location.
  • Use the MAP tab to zoom in on gardens, beds, or individual plants. The RED CIRCLE on the map represents your current location in the gardens. Please remember to allow your browser to use your location data when using this feature.
  • Use the BROWSE tab to search a list of alphabetical scientific plant names.
  • Use the FEATURES tab to find locations of visitor amenities (restrooms, parking etc.) as well as garden locations and commemorative features such as trees, benches, and plaques.

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Arboretum map
Click on the map for a larger image.
About the Gardens

The H.O. Smith Botanic Gardens are the jewel of the Arboretum at Penn State, featuring over 10 acres of themed garden spaces and another 14 acres of natural areas including a wildflower trail, prairie restoration site, and walking and biking paths to explore. Within the cultivated gardens, visitors will find seasonal displays, specialty gardens, water features, and a garden designed especially for children. The largest cultivated area comprises three acres of habitats and plants selected for their attractiveness to birds and pollinators.

For more information about our collections, please contact Mandy DiBella, Curator of Living Collections or visit our website.

Our Mission

The mission of The Arboretum at Penn State is to engage the academic strengths of the University in promoting scholarship and education about plants and their history and importance on earth. The Arboretum at Penn State strives to be a place of beauty and renewal, a venue for the arts, and a pathway to discovery and enrichment.