HPSO:  Celebrating 32 years of serving gardeners.

We make the world a better place through horticulture.


The Hardy Plant Society of Oregon is a community of passionate gardeners at all levels. The Society offers an extraordinary array of educational programs and activities year-round. With now over 2500 members, HPSO is one of the largest non-profit gardening organizations on the West Coast.

Plant Sale

Discover cool plants

Plant Sale

Visit amazing private gardens

Plant Sale

Attend educational programs and make new friends

Plant Sale

Plant Sales featuring fantastic local nurseries

Plant Sale

One-of-a-kind garden art sales


Exciting Workshops and Events


Travel on tours to exotic places

Example Frame

Upcoming Events   


July 14
HPSO After Hours at Thicket

Members only | Free admission
More info | Register now


July 19
HPSO Gen(i)us program: "Keeping the Color Coming" with Dan Heims

Open to the public | Admission - $5 (pay at the door)
More info 


July 23
Fergus Fair!  Lecture and afternoon reception with Fergus Garrett of Great Dixter

Open to the public  |  Admission (lecture) - $25 members/$30 non-members
More info on the lecture   |   Register now for the lecture
Open to the public  |  Admission (reception) - $65 members/$85 non-members
More info on the reception    |    Register now for the reception


June 24 (2017)
Overseas garden tour to Normandy (France)

Open to the public | Now accepting reservations
More info 





 A wealth of gardening benefits and connections at your fingertips.
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Platycodon grandiflorus

Camellia hybrid

Helleborus 'Painted Double'

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