On-going events

First Saturday Tours

Join a docent-led tour on the first Saturday of the month. The tour is free with your Arboretum admission. Tours start at 11:00 in front of Norrie's Gift Shop.


Talks, Lectures, and Pot-lucks

Check the bulletin board in the Horticulture II building for announcements of up coming events. Scholars, staff, and volunteers present talks on wide-ranging topics.


On-going Volunteer Opportunities

Natives First Gardeners

This weeding group was formed to help with the Entrance Native Garden on Tuesday mornings from 9:00 to noon. Enjoy a friendly group, and get involved in beautifying this ongoing project while enjoying the beauty of the California Native collection. Bring gloves, water, and sun protection.


Kiwi Gardeners

Join this weeding and pruning group that meets every Tuesday morning 9:30- 12:30. Get involved enhancing the beauty of the New Zealand garden. Bring gloves and smiles. We provide the Kiwi vibe. Hope to see you, mate. Cheers!


Aussie Weeders

This rousing group gathers 9am on Thursday mornings. The Australian Collections beam from their attention, and our garden visitors enjoy laughter and joy that is the Aussie Weeders.


Euc. Grove Volunteers

Day and time varies, Contact Melinda Kralj at the Arboretum:


Succulent Wreath Making

New volunteers are sought to join this ongoing group. Succulent wreaths are made by volunteers and sold through Norrie's and the annual Wreath Sale in November, providing much needed support to the Arboretum. Learn how to make these lovely living creations. Most Wednesdays 10am-noon, but call to confirm instruction will be available, 502-2998.

What's Happening at the Arboretum

All events are open to the public and free, except as noted. They are held in the Arboretum's Horticulture Building, unless otherwise stated.

The Arboretum is open daily for self-guided tours from 9:00 A.M. to 5:00 P.M.

March 2015
Thursday, March 26 through Monday, May 30, 2015
Note: the application deadline for the 2015 program has passsed; no further applications are being accepted.
9 week certificate program runs from March 26 through May 30. Please visit the program's web page for more information – including a complete schedule, a list of class requirements and an online application form.

May 2015
Board Meeting, Friends of the Arboretum
Wednesday, May 27, 2015—5:00pm

California Native Plant Garden Phenology Workshop; The Science of the Seasons
Salvias along a walkway
Saturday, May 30, 2015—2:00-4:00pm
Instructor, Juliet Oshiro
Calling All Citizen Scientists! Hikers! Families! Students! Educators!
Do you enjoy watching plants change through the seasons? Would you like to help researchers study the effects of climate change? This workshop will teach volunteers to monitor and gather data on when native plants leaf out, flower, form fruit and other seasonal changes through hands-on training. No experience necessary, but space is limited and pre-registration is required. Details can be found on the workshop's webpage.

June 2015
Community Day Bush Poppy
Tuesday, June 2, 2015—all day
1st Tuesday of every month. Free admission to the Arboretum.

Garden Tour Euc. caesia
Saturday, June 6, 2015—11:00am
1st Saturday of every month. Free with your paid admission to the Arboretum. Meet in front of Norrie's Gift and Garden Shop.

Board Meeting, Friends of the Arboretum
Wednesday, June 24, 2015—5:00pm