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Welcome to the Southern California Horticultural Society


On the second Thursday of each month, we invite speakers to present a talk or program about their area of expertise. We offer in-person meetings as well as live-streaming on Zoom (with registration).

Meetings may also include Plant Sales, a Raffle and expert discussion of plants brought in to the Plant Forum. Do you have an interesting plant to share? If you can't bring one in person, send in a photo and requested information on our Plant Forum Page.

For more information about the Society, please see our About SCHS page.


Thursday,  June 13th, 2024

Presidio Tunnel Tops:

Creating a National Park for All at the Golden Gate

Featuring Michael Boland,

Chief Park Officer at Presidio Trust



The Southern California Horticultural Society will host a special Zoom presentation on June 13 with guest speaker Michael Boland, Chief Park Officer at the historic Presidio army base in San Francisco, which is now a national park.  The focus of his talk will be the Presidio Tunnel Tops, a 14 acre project of new parklands that opened in 2022, built atop a reclaimed highway tunnel. 

Boland has a Bachelor of Arts in Architecture, a Master of Landscape Architecture degree, and a Master of City Planning degree, all from UC Berkeley, and is a Fellow of the American Society of Landscape Architects.  He joined the Presidio Trust in 2001 and under his leadership, it has crafted a comprehensive visitor services program, restored the Presidio’s natural and cultural landscapes and created experiences serving urban youth and their families.  His interdisciplinary team has reinvented the base as a unique, financially self-sufficient national park for all.

Urban national parks were created to protect fragile urban ecosystems and connect diverse urban audiences to the outdoors.  Boland will describe  how the renewal of the derelict freeway approach to the Golden Gate Bridge spurred a bold vision to create the Tunnel Tops, which is composed of trails, gardens, overlooks, and play spaces. He will also talk about how community action, private philanthropy, and excellent design were marshaled to make this ambitious project a reality.

We are pleased to be able to travel remotely to this exciting new park, with commentary and pictures from the man who played a key role in its creation.  You are invited to join us for the evening and may register for the talk at  We hope to see you there!

Photos supplied by speaker.

CLICK HERE to Register

This program will be available for online viewing with registration, and will also be recorded and subsequently posted to our YouTube channel video archive.


DATE & TIME:    THURSDAY, JUNE 13TH, 2024, 7:10 P.M.

Announcements: 7:10PM  /  Plant forum: 7:15pm  /  Program: 7:30PM

COST:   FREE for SCHS Members / $5. for Non-Members


Upcoming Events:.

Thursday, June 13, 2024
Zoom Webinar featuring Michael Boland, Chief Park Officer at Presidio Trust. He will speak about the Presidio Tunnel Tops, the 14-acre San Francisco landscaping project completed on 2022.

Thursday, July 11, 2024 - Details TBA

Thursday, August 8, 2024
Zoom Webinar with Adrienne Edwards and Rachel Schleiger on their new book, Firescaping Your Home.

Visit our Past Meetings page to re-watch previously recorded in-person meetings and webinars, download each meeting write-up, and reference any materials provided by our speakers.

  • Our Hort Happenings page lists events at local horticultural institutions. 
  • Follow us on Facebook and Instagram. Tag @socalhort in your photos to be featured on our page!
  • Want to re-watch a previous meeting, plant forum, or event? Visit our YouTube Channel for all available recordings!
  • Join our mailing list to be updated with important news about SCHS via email. Your email address will not be shared with anyone, and you may unsubscribe at any time.

Join us today and receive our monthly Newsletter, free admission to regular meetings and discounts on SCHS events. We now have an Online-Only membership option for only $15/year. If you would like to support us without joining, please go to our Donate to SCHS page.

If this is your first time to log in as a current member, please enter the email you used when you joined SCHS, then click on the “Forgot Password” link below. In the next dialog, decipher the code and click Submit. A temporary password will be emailed to you, allowing you to log in. Feel free to change the password once you log in.

To renew your membership online, log in and go to your Profile. You will see an option to renew for another year. (Or follow the link when we send you a renewal notice.)

You can always reach us by mail at:

Southern California Horticultural Society
P.O. Box 94476
Pasadena, CA 91109-4476

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