(Tamberg, 1980)   55"

Very tall and vigorous! Dark violet with a small, white butterfly signal. I. delavayi X I. clarkei.

If you are thinking of testing a Sino-Sib in your garden, this is the one for you. Berliner Riesen is the strongest growing iris in our garden.

Please see our Growing Instructions for Sino-Siberian irises to see if this iris is a good fit for your garden.