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Arboretum Library: About the
Arboretum Library

The Arboretum Library contains a comprehensive collection of resources on gardening, botany, California native plant life, environmental issues, and some agriculture as these subjects relate to the plants native to and planted in Southern California.

Library Hours & Address, and Telephone Number

Arboretum Library OPEN! 

The hours are:.

Tuesday-Friday 8:30 a.m. to 5:30 p.m. and every other Saturday (9/18, 10/2, 10/16, 10/30, 11/13, 11/27, etc.) 8:30 a.m. to 5:00 p.m.

Here are the public health safety guidelines you can expect when you plan your visit to the Arboretum Library:

  • Patrons two years and older are required to wear a face covering over their nose and mouth at all times.
  • Patrons are required to maintain a distance of at least six (6) feet from other library patrons (not in the patron’s group) and library staff at all times.
  • Avoid entering the library if you are experiencing any COVID-19 related symptoms or feeling sick.

For anyone who is unable to meet the above requirements, library staff will make every attempt to assist patron’s needs online, via phone, etc.

Patrons will be able to:

  • Browse the Library collections,
  • Arboretum members may check out materials,
  • Access Wi-Fi services and use the public computer,
  • Use the Library as a study, recreational reading space, etc.
  • Browse and purchase used book sale items and,
  • View the art exhibits, The Nature of Sculpture II (extended) and the Botanical Artists Guild of Southern California's Plants for a Dry Climate.

We also encourage our Members to check out the large selection of e-books at the Library catalog and here for some featured e-books..  Be sure to put “LA” in front of your membership number when you encounter the paywall.  Curbside/Library Book Drop pick-up is also still available when the Library is open.

Plant Information continues with in-person, phone, and email questions. For an appointment email or phone:, 626-821-3236.

All books currently checked out can be returned in the Library book drop in front on the Library doors when the Library is open or at the Membership Office when the Arboretum is open, but the Library is closed.

Not an Arboretum member?  Join today!

Arboretum Library
Los Angeles County Arboretum
& Botanic Garden
301 N. Baldwin Ave.
Arcadia, CA 91007

The Los Angeles County Arboretum & Botanic Garden

Our mission is to cultivate our natural, horticultural and historic resources for learning, enjoyment and inspiration. We strive to reflect Southern California’s distinct climate, community and openness to new ideas. The Los Angeles County Arboretum and Botanic Garden is a unique 127-acre botanical garden and historical site that includes Native American, Rancho Period, and late 19th century treasures. In addition to concerts and tours, we offer activities and events that cater to every audience.


Gifts of new or used books and other items with subjects related to our collection are always welcome! Older titles will be integrated into the collection as needed or sold to buy new items. You can also visit our Wish List for the Main Collection or our Children's Book Wish List at to see a list of our most needed and coveted current items.  For donation of used materials, please contact, or 626-821-3213.

Arboretum Library Online Catalog

Click here to search the Library Online Catalog

Did you know that you can search many of the resources the library offers in one click? Simply type your keyword or topic into the library’s search box and the most relevant results will appear for your research. Explore a variety of content from journals to e-books. With easy filtering options, you can narrow your results to the type of content, publication, date (and more) to find exactly the information resources you need.

Once you find the right result for your research, you can locate where the resource is held in the library. 

Click here to search the Library Online Catalog


Los Angeles County Arboretum Library

The Library is open to everyone with regular Arboretum admission. The general public may use library materials on-site. Arboretum members may check out materials. Please make an appointment with Librarian Susan Eubank ( or 626.821.3213) if you're planning to use only the Library and are not an Arboretum member. Appointments are not necessary for Library art exhibits and other special events, however, regular admission applies to these activities.

Library materials circulate to Los Angeles Arboretum Foundation members. Join today!

Library Location

The Arboretum Library is located within The Arboretum at the top of the ramp near the entrance to the Gift Shop and east of the main bathrooms. During inclement weather (heat, cold, rain, or wind) go through the green gate and the Library is at the top of the ramps west of the entrance rotunda building.

History of the Library

Library Interior Sept. 4th, 1959.S-1071.1

 "One of the nine objectives put forth in 1948 by the California Arboretum Foundation Board administrator for the newly founded Los Angeles State County Arboretum, was library service. A reference library for staff members only was the original intent in planning for a library, but since Arboretum objectives included both research and public information, it was soon apparent that the library must eventually become both a staff and a public resource."

From: What’s in an Arboretum Library by Lydia S. Bowen
LASCA Leaves Summer 1966 Vol. XVI No. 3

Library Volunteers

There are a number of things you can do while volunteering at the Arboretum Library such as cover and shelve books, price books for sale or help with updating the website. Volunteer times are flexible throughout the week.

*Call the Arboretum Library at 626-821-3213 for more information.


Arboretum Library Orientations

Contact Susan Eubank, the librarian, to arrange a free Library Orientation. Choose between two different orientations. Both individuals and groups are welcome.

Arboretum Library