The official website of the American Iris Society contains a wealth of information about irises and iris culture. It contains an excellent photo gallery and links to many websites nationwide:
Region 17 Website
The American Iris Society, Region 17 welcomes you to its website. Region 17 includes the affiliated local iris societies in Texas. Its purpose is to inform and educate the public and society members about the iris flower and plant, along with providing an organization to further the development of the local iris societies.
Zilker Botanical Garden -- Austin Area Garden Center
This uniquely Austin collaboration of the City of Austin's Parks and Recreation Department and the Austin Area Garden Council's 39 member clubs features a number of different gardens, including the two newest: the Hartman Prehistoric Garden, installed in the area where dinosaur tracks were found in 1992, and the Green Garden, with areas planted by different local designers with native and well-adapted plants that thrive in Austin's challenging soils and climate.