Where irisarians bloom together
We are a group of iris enthusiasts, hybridizers, and avid gardeners dedicated to inspiring a love of the genus Iris — through cultivation, propagation, and the art of hybridizing.
Based in the shadow of Mt. Diablo in Contra Costa County, we bring together gardeners, hybridizers, and nature lovers who share a passion for one of the world's most elegant flowers.
Whether you're a first-time grower or an experienced hybridizer, you'll find a welcoming community here — with knowledge to share and irises to admire.
Our Full Story →Learn best practices for cultivating bearded, beardless, arilbred, and bulb irises from fellow enthusiasts and experts.
Celebrate the season with our annual iris show featuring stunning blooms from members across the region.
Shop rare and heirloom varieties at our members-only iris sales held throughout the year.
Join us for our April iris sale featuring a wide selection of bearded and beardless varieties. Perfect timing for spring planting!
Learn More →Come to a meeting, attend our shows, and discover the joy of growing one of nature's most extraordinary flowers.
Sign up to be notified about our iris sales, spring show, and seasonal events.