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Purple and white irises blooming above tall green leaves in a garden bed

South Carolina events › Festivals and fairs › Sumter Iris Festival

Sumter Iris Festival in Sumter, South Carolina is usually held thursday-evening kickoff, then Friday-Sunday in mid-to-late May at Swan Lake Iris Gardens. Next dates not confirmed: the organizer had not posted them when we checked on October 26, 2026. Live concerts, arts and crafts, plants and flowers, food and kids activities at Swan Lake Iris Gardens; kickoff the night before with Crowning of the King & Queen and Taste at the Gardens.

At A Glance

Next datesNot posted yet (not confirmed)
Usuallythursday-evening kickoff, then Friday-Sunday in mid-to-late May at Swan Lake Iris Gardens
WhereSumter, Sumter County
AdmissionFree general admission and free parking (as published)
SinceFestival began in 1940
Official sitesumtersc.gov/tourism/things-do/festivals-events/iris-festival

When It Usually Happens

Usual timing from past editions: thursday-evening kickoff, then Friday-Sunday in mid-to-late May at Swan Lake Iris Gardens. Source: past edition (“The full-day festival will start Friday, May 15, 2026, and run through Sunday, May 17, 2026.”).

Frequently Asked Questions

When is Sumter Iris Festival?

The next dates are not posted yet. Usual timing from past editions: thursday-evening kickoff, then Friday-Sunday in mid-to-late May at Swan Lake Iris Gardens.

Where is Sumter Iris Festival held?

In Sumter, Sumter County, in the Pee Dee region of South Carolina.

How much does it cost?

Free general admission and free parking (as published)

Keep Planning

Read on October 26, 2026. Festival dates change; confirm on the organizer’s page before you go.

Cite this page: It's South Carolina, “Sumter Iris Festival”, itssouthcarolina.com/sumter-iris-festival-sumter/ (updated ). By the It's South Carolina editorial team. Free to quote with attribution and a link to this page; data and tables are licensed CC BY 4.0.