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Arboretum & Grounds

Visit our beautiful and award-winning arboretum and gardens

Connect With Us

Work Study, Internships, and Volunteering

We often have opportunities for work study, internships, and volunteering in the Arboretum, including hands on grounds support or assisting with promotional, design, and technological projects. If interested contact:

Mike Mastrota
Arboretum Manager

walking tour

Arboretum Walking Tour

Contact Mike Mastrota to schedule a walking tour of the arboretum

Mike Mastrota


American University Arboretum & Gardens (@americanu_arboretum) • Instagram photos and videos

American University Arboretum (video)


Hear Michael Mastrota, AU's arboretum manager, discuss our award-winning arboretum

Interesting Tree Species on Campus

Shrubs, Perrennials, and Grasses

The campus is filled with many shrubs, perennials, and ornamental grasses of all shapes and sizes. Here is a sampling of some of our favorites that have performed well on our campus.


  • Edgeworthia chrysantha (Paperbush)
  • Fothergilla gardenii (Dwarf Fothergilla)
  • Hydrangea paniculata ' Limelight ' (Panicle Hydrangea)
  • Hydrangea quesrcifolia ' Alice' (Oakleaf Hydrangea)
  • Ilex glabra (Inkberry)
  • Itea virginica (Virginia Sweetspire)
  • Syringa pubescens ' Miss Kim' (Manchurian Lilac)
  • Viburnum carlesi (Fragrant Viburnum)
  • Beauty berry (Callicarpa dichotoma )
  • Summersweet (Clethra alnifolia)
  • Narrowleaf cattail (Typha angustifolia)

Perennials & Ornamental Grasses

  • Calamagrostis acutiflora 'Karl Foerster' Feather Reed Grass
  • Nepeta faassenii 'Walker's Low' Catmint
  • Perovskia atriplicifolia 'Russian Sage'
  • Hibiscus moscheutos 'Lord Baltimore' Hardy Hibiscus
  • Echinacea purpurea 'Magnus' Purple Coneflower
  • Hakonechola macra Japanese Forest Grass
  • Senecio aureus Golden Ragwort
  • Acanthus mollis Bear's Breeches
  • Hemerocallis 'Cherry Cheeks' Daylily

Arboretum Tree Inventory