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1927 Map of the Arboretum

Adult Education

Brendan Keegan explains monarch and milkweed survival strategies.
Brendan on Kent Field

The Arnold Arboretum of Harvard University is a community resource for education, offering a variety of learning opportunities including lectures, classes, workshops, and tours of our living collections and historical landscape. Join us as we explore the biology and horticulture of woody plants, and delve into topics related to Earth’s biodiversity and evolutionary history, the environment, conservation biology, and key social issues associated with current science.

The Arboretum offers a range of programming and activities, including Tree Mobs, art exhibits, guided tours, and other digital and in-person educational opportunities:

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Weather Policy

Outdoor adult education programs will be cancelled in the following conditions:

  • 60-100% chance of rain, sleet, or hail
  • Thunder and lightning
  • Wind gusts over 35 mph
  • Dangerously icy conditions
  • Temperatures Over 94 Degrees 
  • Temperature Below 10 Degrees 

Outdoor adult education programs may be cancelled in the following conditions, subject to Arboretum discretion:

  • 50-60% chance of rain
  • Temperatures 90-94 degrees
  • Temperatures 10-20 degrees

Indoor adult education programs will be cancelled if weather conditions are so severe that travel to the Arboretum is unsafe for participants and instructors.

In the event of a cancellation, participants will be notified by email at most 24 hours before the program. If a program needs to be cancelled with less than 24 hours notice, participants will be notified by phone.

Cancelled programs will be rescheduled when possible. Registrants will be notified by email about the reschedule and will be automatically registered for the new date, unless the email notification indicates otherwise.