Siberian iris

I planted Siberia iris about ten years ago. I seem to remember them in bloom that 1st year, but they have never bloomed since. As usual, this year the green leaves (stalks?)have emerged but that’should all. What can I do?
Thanks

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1 Comment To "Siberian iris"

#1 Comment By Rena Esset On 04/19/2017 @ 9:39 am

Diane, after giving Siberian iris a year or two to settle in, if there are no flowers it’s usually because the plants aren’t getting enough sunlight. They need at least 6 hours of sun and are happiest with full sun.
If that’s not the issue, are they planted in alkaline soil? They prefer neutral to slightly acid pH.

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