Black Banner is a historic iris classified as Guardian Garden iris. Black Banner blooms late in the season, and is a deep purple/black. High Commendation 1945; Honorable Mention 1947. (Nicholls, 1942)

Note: The Guardian Gardens (GG) program seeks out historic irises on the edge of extinction and distributes them to program members. Members work to confirm identity as the irises grow and bloom. When one of these rare irises is firmly established and increasing well, members divide them and distribute among other GG members – and as Crafton Hills Iris Farm is a commercial vendor, we work to establish the GG iris back into commerce.