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Siberian vs Japanese vs Louisiana irises

Posted by Barry203 connecticut (My Page) on
Thu, Aug 16, 12 at 12:53

I have inherited some beardless irises in a community garden. Is there a way to distinguish between the 3 types from the leaves or growth habit? The plants bloom a few weeks after bearded irises. The blooms are 4-5" in diameter and did not hold up well as cut flowers. Unfortunately I do not have a photo of the blooms but they seem similar (to an neophyte's eye) to photos of all 3 types I found on the web.


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RE: Siberian vs Japanese vs Louisiana irises

  • Posted by chadinlg zone 9%3B Sunset 15 (My Page) on
    Thu, Aug 16, 12 at 14:45

Yes, it's fairly simple :)
1) look at the leaves
Is there a definite midrib and the leaves are less than 1" wide ? - Japanese
Is the width mostly less than 3/4" and around 1/2" and smooth - Siberian
Are the leaves more of a yellowish green than blue green and tend to be wider >1" - Lousiana

2) look at the Rhizomes
Are they at least 1" wide, long and yellow with brown ribs - Lousiana


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