In many cases, an iris needs a year or sometims more to get established before it will bloom. Much depends on the size of the rhizome that was planted and how it was planted.
Bob Morris

Bob Morris is a horticulture expert living in Las Vegas and professor emeritus for the University of Nevada. Visit his blog at xtremehorticulture.blogspot.com. Send questions to Extremehort@aol.com.
BOB MORRIS
In many cases, an iris needs a year or sometims more to get established before it will bloom. Much depends on the size of the rhizome that was planted and how it was planted.