Welcome to the Passiflora Society International website!

We currently have 2 tiers of membership, and one of them is FREE!  Click below to register for your membership.

Join the PSI now, and receive the many benefits associated with membership!


March 3rd, 2017

** More information including the program for the 2017 PSI meeting in Colombia has now been posted. Follow the link below to find out more and reserve your place.

PSI Meeting 2017 poster

Sign up PSI 2017


Feb 22nd, 2017

** The PSI Shop has been redesigned and now includes all back issues of the PSI Newsletters that are available online via our shop for purchase.



Feb 2nd, 2017

** The PSI website is up and running again. We apologize for this lengthy down time over the Christmas period. A big thanks to our Web Master Liza for all the hard work and hours put in to bringing it online once again.


Feb 2nd, 2017

** The PSI is proud to announce the 2017 PSI meeting shall be held this year in Colombia. Dates are set from the 1st to the 4th of August. We currently only have 35 spaces available which are based on first come first served. In order to reserve your place please follow the link below to sign up. 

PSI Meeting 2017 poster

Sign up PSI 2017

August, 2016

** The PSI Meeting 2016 held in The Netherlands was a great success. Many thanks to all who attended and see you all next year.

DSC_9828 - Copy


** PSI Special Edition Nr 1 2015 – A Revision of Passiflora Section Dysosmia now available for ordering. Please check our other newsletters in the Shop for a wider selection on order.

2015 Special Edition #1 - Dysosmia

Special Editions: 2015 Special Edition #1 – Dysosmia

PSI Special Edition Nr 1 2015 – A Revision of Passiflora Section Dysosmia

Find out more on MagCloud


Feb 2nd, 2017

** Join us on our Facebook page to connect with other members and Passion Flower lovers. Share your photos and growing tips and keep up to dated with all the latest news.

Oct 20th, 2013

** The location for the 2014 PSI meeting has just been announced!  It will be in England, mid-September.  More information will be emailed to all members and posted on Facebook as we progress closer to the date.

Sept 19th, 2013

** The Fall 2012 Newsletter was shipped recently to all Premium Members, and the Spring 2013 Issue is currently being prepared for printing.  The Seed Bank is still open for a bit longer!  Take advantage of it while you can…

May 30th, 2013

** The first seed sale was a HUGE success!  Some changes need to be implemented, and the shop will be re-opened soon for another brief period.

April 19th, 2013

** We just broke 20,000 hits from over 2,400 unique visitors in 50 countries, with almost exactly half the hits coming from the USA.  We truly are an International Society!

** Our first big Seedbank sale is only a couple of weeks away! We have stopped taking donations, and are tweaking the system to make sure everything works smoothly before we release the official dates, but we are very close… so stay tuned. PLEASE be sure you are a Member of the PSI on the website if you wish to participate in the sale: www.passiflorasociety.org/join/

** The Fall 2012 Newsletter will be sent to the printers next week. If you are a Premium Member, expect it in your mailbox in May! We may be still playing “catch-up”, but the Spring 2013 newsletter is nearly complete as well, and should be shipping this summer, as well as our Fall issue getting close to completion.

January 1st, 2013:

– Happy New Year to us!  This new PSI site has now had over 10,000 hits from more than 1,100 unique visitors from 50 countries in just the few short months since launch!

December 4th, 2012:

– Translate our website into any language with the click of a button at the top of your screen!

November 4th, 2012:

– We just added 10 past PSI newsletters for Premium Members to view or download!

– There is now a discounted Premium Membership rate for 2nd, 3rd and 4th members in your household!

We are constantly adding content, so be sure to check back often…


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