What’s Blooming

In the pink with gorgeous trumpet trees

Queen Anne Cottage Tours

A rare tour inside Sunday, May 19


See their spring plumage 9am-4pm

Baldwin Lake

Restoring a magnificent gem


Don’t miss the rose show and sale this weekend!

The Pacific Rose Society presents its annual show and sale featuring thousands of cut roses. Many rose growers from throughout Southern California will exhibit superb rose specimens. There also will be artistic rose arrangements, as well as a rose photography display. Saturday, April 27 1-4pm; Sunday, April 28, 9am-2pm, included in admission; members free.

Library Call for Art!

For its June art exhibit, the Arboretum Library is inviting active members, volunteers and staff to submit their art work for consideration. To participate and receive a complete list of mandatory guidelines, e-mail ArboretumArtists@gmail.com by May 1, 2019.

Time to register for Summer Nature Camp!

Children ages 5-11 will enjoy their summer exploring and learning about nature. We get children outside and away from screens to observe and explore wildlife in a natural setting. The Nature Camp runs from June 3 through August 9.  Full session, daily and extended care available.

Library Spotlight – Vintage Nursery Catalogs

Looking for early nursery catalogs for the region of Southern California? The Arboretum Library has catalogs going as far back as the late 1800s that are still applicable for today’s horticulturalists. During your visit to the Arboretum, members and non-members of the garden are always welcome to browse our nursery catalogs in our library’s collection! […]

Library Spotlight – Catalog Updates

Hello, folks!  The Arboretum Library’s catalog now has social networking features, including Facebook and Twitter, so that you may share any library material(s) you have found in the catalog, with your friends.  Also be sure to check out and “like” the Arboretum’s Facebook page.

What’s blooming? Trumpet trees

A delayed start to this year’s blooms because of the much-need, extended rains is worth the wait! The pink trumpet trees are arguably the most spectacular blooming trees in the Arboretum’s collection. They punctuate the landscape here with their solid canopies of vibrant, almost hot-pink blooms. The tree,  Tabebuia impetiginosa,  is a South American native […]

Library Spotlight - “Açaí”

The Arboretum Library has many journals and periodicals that cover a range of horticultural topics. These journals include articles about individual types of plants, including one that's been seen around a lot more recently – the açaí.  You've probably seen this ingredient in all sorts of products at the grocery store, but I didn't know much […]

Library Spotlight - “Lessons Learned: Managing Biological Invasion on Hemlock Hill”

The Arboretum Library has many journals and periodicals that cover a range of horticultural topics. These journals include articles by members of the Arboretum staff. The article “Lessons Learned: Managing Biological Invasion on Hemlock Hill (Massachusetts)” by Richard Schulhof (CEO of the Los Angeles County Arboretum & Botanic Garden) in the journal Ecological Restoration details […]

Raking Hay at Rancho Santa Anita

This image presents is a lovely pastoral scene at Rancho Santa Anita probably in the late 1880s or early 1890s. A man on a hay rake is gathering freshly cut hay, probably mown a day or two earlier and allowed to dry to feed the Ranch's animals.     Closer examination reveals a number of […]

Library Spotlight - Plant Related Fiction

Now is a great time to just snuggle up with a good novel.  And the perfect place to find find modern and classic plant-related fiction is at the Arboretum Library. So come and explore the Arboretum Library and don't forget that members of the Los Angeles County Arboretum and Botanic Garden can borrow books for […]

Pacific Rose Society Show & Sale April 27 & 28

This annual show is one of the most popular plant show and sales at the Arboretum. Don’t miss the beautiful blooms and presentation.  Saturday, April 27, 1-4pm; Sunday, April 28, 9am-2pm.  Included in admission; members free.

Pruning Plumeria Workshop Saturday, April 27

Shape, Trim, Bloom! Learn how to correctly prune plumeria plants in a hands-on workshop up in the Arboretum’s grove where you’ll prune one or more of the grove’s trees with an experienced plumeria grower.  Saturday, April 27, 10am-12pm;  $25 members; $35 non-members.

Gardening with Oak Trees, Saturday, April 27

Our native oak trees provide a unique gardening opportunity. This workshop, led by Laramee Haynes, will cover oak tree care, selecting and placing compatible plants, soil amendment, planting, watering, pruning and weed control strategies. 10am-12pm. $25 members; $30 non-members.

Party in the Stacks, a Library benefit Saturday, May 4

Come party in the stacks to help raise funds for our Library programs. Enjoy live music, art, food, and a no-host bar. Tickets before the event: $20 members and $25 non-members; at the door $25 members, $30 non-members.  Tickets at 626.821.4623 or click here to register online.



Plant question? Ask our Expert at the Arboretum

We have the knowledge and experience to help you raise healthy plants. Frank McDonough, the Arboretum’s Botanical Information Consultant, answers questions from the public.

Website Under Construction

Over the next few weeks we will be implementing a series of updates to make our website more accessible.

© 2019 Los Angeles County Arboretum and Botanic Garden • 626.821.3222 • 301 North Baldwin Ave, Arcadia, CA 91007 • Website Design by Kirk Projects.

© 2015 Los Angeles County Arboretum and Botanic Gardens

Phone: 626.821.3222

301 N. Baldwin Ave, Arcadia, CA, 91007

Site Design by Kirk Projects