• Free monthly lecture programs, plant forum and plant drawings
  • Monthly theme walks in SF Botanical Garden at 4 p.m. ,  before the meeting
  • Participation in the Seed Exchange (listing many species not often available)
  • Field trips to local gardens and nurseries
  • Annual Awards dinner

Annual dues are:

$50 Single Membership

$65 Joint Membership (two or more in same household or corporation)

$25 Student Membership, with proof of enrollment (maximum 5 years)

$90 Horticultural Business (per location, 2 cards, additional separate entry in directory)

The monthly Bulletin is sent out via email. If you would like to receive a printed Bulletin by First Class Mail, please add $20 to the membership fee.

Pay by check, please print and complete our Membership application form (PDF), then mail with payment to the Society’s Membership Chair:

California Horticultural Society
c/o Charlotte Masson, Membership Chair
579 Los Palmos Dr.
San Francisco, CA 94127-2209

Questions? Please email the Membership Chair: