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Grow With Us

Join one of the West Coast's largest gardening communities—almost 2,900 members strong! As a member of HPSO, you’ll gain access to our top-notch educational programs, a wide array of local private gardens, a diverse domestic & international garden tour program, our magazine & newsletter, our horticultural lending library, and discounts at local garden retailers. Plus, you'll meet other gardeners who share your passion.

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The Hardy Plant Society of Oregon (HPSO) is a non-profit volunteer organization for all gardeners - beginners and experienced, amateurs and professionals. Founded in 1984, HPSO currently has nearly 3,000 members throughout the Pacific Northwest in Oregon, Southwest Washington, and beyond. 


Open Gardens

Open Gardens

Garden Travel

Garden Travel

Plant Sales

Plant Sales

Speaker Programs

Speaker Programs