10 August 2026
The variety «Opal Blue» belongs to the group of Siberian irises. It is a historical plant characterized by a pure sky-blue flower color.
In modern agronomic reference books, detailed information on morphological traits, such as height or disease resistance, is absent for this variety due to its age.
1 jurisdiction
Green indicates countries where the variety is listed in the national catalogue and its seeds are authorized for sale. Expired registrations are marked separately: the variety was previously admitted, but sale is no longer permitted.
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
Records are sourced from official registry publications. Data sources and legal status
The directory replicates the primary source. If an entry differs from the official publication, please specify the discrepancy and provide a link if possible. Corrections are added to the moderation queue.
This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources
Same species
Iris L. · Iris
SICA KERISNEL (FR)
Iris L. · Iris
WENTINK H.J.^^^FA. DE GEUS - VRIEND
Iris L. · Iris
World Flower B.V.
Iris L. · Iris
Bot
Iris L. · Iris
Iris L. · Iris
World Flower B.V.
Nearby in the species list Nofa Cream, Nofa Purper, Nofa Sapphire, Nofa White, Nova Blue, Nova Sun, NR04016, NR04022, NR04031, NR07010, Osaka, Otzi Fisher, Painted Lady, Palm Springs, Panther, Paris, Park Avenue, Pickwick, Pink Panther, Pixie