Hi Jim, I hike where I live every week and we saw our first Iris douglasiana in flower in January and then again a few in February. So that was exciting. The best bloom time to see them has been April and May. I think we have seen a few to a lot of flowers on every hike those months and there were still flowers to be seen on our hike last Thursday. This doesn't necessarily mean that each plant blooms for a long time. None of the ones in my garden were in flower in January or February. It probably has something to do with conditions to their liking influencing when they flower. I have a lot of them growing in my yard and I haven't kept track of how many days I see flowers. I expect it is more than a month however. It's a much longer time in my garden than Iris unguicularis is in bloom. The individual flowers are short lived however. Mary Sue > Mary Sue wrote: "It's been a glorious year for Iris douglasiana where I live which has been blooming > for months and months, in some instances in masses." > Is that typical of them as a group? That suggests that they have much greater garden value than I suspected. >