Join our blooming community of iris conservationists.

Since 1941, our society has been preserving and promoting Louisiana irises and their hybrids, but we are also a community of like-minded horticulturists who enjoy sharing our passion for plants with the world.

Featured Event

2024 Louisiana and Spuria Iris Conventions join forces!

SLI is joining forces with the Spuria Iris Society and the Iris Society of Dallas to plan a unique convention experience for 2024. The bloom seasons of Louisianas and Spurias overlap in the Dallas area, offering the opportunity to see gardens featuring both beardless iris groups. Five gardens in the Dallas area will be on tour during the convention on Friday and Saturday, April 26-27.

Explore Iris History

Did you know that the name Louisiana iris was first used by John James Audubon, the famed naturalist himself? Uncover the rich story of Louisiana irises, from swamp to garden.

Iris Cultivation

Discover how to plant and care for Louisiana irises and hybrids with our supportive community of growers. Find all the information you need to get growing.

Explore Our New Species Preservation Project

We recently launched an exciting project to preserve new species of our beautiful Louisiana irises and we’d love YOUR involvement! We want to encourage all our members and the public to notify us of any newly identified species you spot. Our custom database and interactive map will aid our preservation efforts, delivering on our promise to protect these native plants.

Get Involved

We are always looking for new members to join our society! If you love Louisiana irises, you’ve come to the right place. When you become a member, you’ll gain access to shows, garden tours, meetings, and our annual convention. Plus, we’ll send you our full-color publication, Fleur de Lis.

Got a question about Louisiana irises or need to get in touch? Fill out the form and we’ll be happy to help.