HPSO:  Celebrating 28 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 over 2,100 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

Workshop

Exciting Workshops and Events

Garden

Travel on tours to exotic places

Example Frame

Upcoming Events


May 26
Garden School: "Fernishing" Your Garden
Members Only | Registration $20
More info  Register now

June 15
Special Program featuring Steve Newall ---- NEW!
Open to the Public | Registration $15
More info  Register now

June 16
Garden School: "Organic Fertilizers for Your Garden"
Members Only | Registration $15
More info  Register now

June 17
Gen(i)us Program: "Ferns" with Judith Jones
Open to the Public | Registration $5
More info  Register now

June 23
Overseas tour: HPSO tour to Northern England
Members only | Sorry - SOLD OUT

June 23
Garden Tour: HPSO & Garden Conservancy Open Day Tour
Open to the Public | Registration $5 per garden
More info  Purchase Advance Tickets


More events>

 

 A wealth of gardening benefits and connections at your fingertips.
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Mark your calendars

Garden Expressions:
Country Classic to Suburban Sanctuary

June 23, 2012
Hours: 10-4

Open Days logo

Tour up to five private gardens
in Hillsboro & Aloha.
Proceeds support the HPSO
Grants & Scholarship funds
.

Open to the public.

More info  or

Purchase tickets


Clematis

Trillium kurabayashii

Eryngium alpinum

 
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