 HPSO: Making the world a better place through horticulture.
Become a Member Today! Contributions to HPSO are tax-deductible. HPSO Grants Program. 2008 Grant Winners & Projects
2008 Open Garden Books now available. Over 90 gardens open to members through the spring, summer and fall! Open Gardens Information. If you'd like to join in the fun and visit great gardens every week, join HPSO online now.
HPSO Monthly Newsletter now available online.
Plant Sale Volunteers Have More Fun! And they get to shop early, before the crowds. Volunteer Online Now. Only members may volunteer to work at the Plant Sale. If you'd like to volunteer and shop before the crowds, join HPSO online now. Volunteering is fun and a great way to meet other members!
COMING EVENTS: (Click on event title for more information)
Big & Small, The Best of Both Worlds. Saturday & Sunday, September 13-14, 9 a.m.-4 p.m. Award winning garden photographer Allan Mandell with a 2-day hands-on workshop exploring both macro and scenic photography. Members and guests only.
Register online. Two spaces remaining.
Garden Adventures in Netherlands, Germany and Belgium. September 2008. Visit gardens and gardeners on the cutting edge, the newest in designs and plants, in all their late-summer glory! This trip is now filled.
Fall Plant Sale & Garden Festival. Saturday & Sunday, September 20-21, 10 a.m.-3 p.m. Portland EXPO Center. Gardening for Winter: Techniques for Planting and Protecting Plants. Saturday, October 4, 10-11:30 a.m. Join nurseryman and plant savant Sean Hogan for an informative look at preparing
for winter, protecting tender plants and utilizing a great time for
planting, followed by a tour of the spectacular display gardens of Cistus Design Nursery. This workshop is now filled. Gardening for Winter: Techniques for Planting and Protecting Plants. Sunday, October 5, 1-2:30 p.m. Second Session Added by popular demand! This workshop is now filled. Get Growing - Fall Series. Saturdays, October 4, 11,18, 25, and Sunday, November 2. Garden designer Darcy Daniels again offers her very popular 5-part series providing an in-depth and hands-on look at garden design techniques and gardening practices.
Register online.
Deciduous Viburnums, A Plant for All Seasons. Tuesday, October 14, 7 p.m. Our genus genius for October, Dorothy Rodal, will talk about her love affair with these beautiful and often fragrant trees and shrubs.
Register online.
Native Plants to Beautify Your Garden and Sustain Our Ecosystem. Saturday, November 1, 9:30 a.m. Author Doug Tallamy, plant explorer Diana Reeck and landscape designer Gail Dresner with new insights on garden-worthy natives from the perspectives of sustainability, horticulture and design.
Register online.
Office Hours: MWF 12 - 4 p.m., summer hours beginning Monday, June 16.
Library Hours: The library is open the same hours as the office. Learn more about the Library.
Want to join? Or renew? Click here. If you live outside of Oregon and Southwest Washington,
and would like to find a Hardy Plant society or group near you, see
Links of Interest: Other Hardy Plant
Groups. Learn more about HPSO.
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