Upcoming Events

Two people, a Erik Gaensler and Deborah Dietz, are standing in a garden filled with pink, orange, and yellow dahlia flowers. Both are smiling and wearing t-shirt that says 'California' and references dahlia shows.

Monthly Member Meeting

County Fair Building (Classroom), Golden Gate Park

Private Event: DSC Members Only
Public Event: Our May meeting is open to the general public!

May Agenda: Dahlias 101; More tubers and plants will be for sale!

Tuesday, May 12, 2026
7:30PM–9PM

The Dahlia Society of California meets the second Tuesday of every month, except January. We learn what to do (and what not to do) with our tubers and dahlias from the experts in our society. Members can attend in person or on Zoom. If coming in person, we meet in the County Fair Building classroom located off the parking lot at 10th Ave. and Lincoln. Walk through chainlink gate to small courtyard. The classroom door is on your left.

Meeting Details

People browsing colorful flower arrangements at an indoor dahlia flower show competition, with a brick wall and skylights overhead.

Annual Dahlia Show

Sat and Sun, August 15 and 16, 2026
10AM to 5PM Sat; 10AM to 4PM Sun

Hall of Flowers, Golden Gate Park

Public Event: FREE Admission, All Ages

Each summer, on the third weekend in August, the Dahlia Society of California draws thousands of visitors to its annual show in the enormous Hall of Flowers. Growers from all over the state bring their best blooms.

Blooms in all categories are judged and awarded ribbons, including the elusive “Best in Show.” Other categories: Best Photo; People’s Choice Award; Best Arrangement; Best Junior Bloom; and “Nature’s Oddities.”

You must be a member to compete, but the public is welcome to see this eye-popping event.

Event Details

Dell Celebration

Sunday, September 13, 2026

Dahlia Dell, Golden Gate Park

Public Event: 10am – Noon

Private Event: Members Only starting at Noon

Save the Date!

Details coming soon.

Other Events

San Leandro Tuber Sale

April 25, 2026

San Leandro, CA

This event is hosted by the San Leandro Dahlia Society.

Sierra Nevada Tuber Sale

May 18, 2026

Reno, NV

This event is hosted by the Sierra Nevada Dahlia Society.

Judging Seminar

July 25, 2026

East Bay location

Details TBD

Central Coast Show

August 8-9, 2026

San Luis Obispo, CA

United Methodist Church
1515 Frederick St.
San Luis Obispo, CA

Flowers of the Year: Misfit Kaleidoscope, Reann’s Tiger’s Eye

Monterrey Bay Show

August 22-23, 2026

Capitola, CA

This event is hosted by the Monterrey Bay Dahlia Society

Capitola Mall

National Show

August 27-30, 2026

Grand Rapids, MI

This event is hosted by the American Dahlia Society.

Sierra Nevada Show

Sept. 19, 2026