Missouri "swamp iris"

Susan, 
I do not know of a Missouri iris known as "swamp iris",  but we do have one 
that meets that description -- Iris cristata, around here we call it dwarf 
crested iris (aka dwarf wild iris).  It grows wild in Southeastern Missouri 
where it is found is mesic (wet) to dry upland forests, bluff tops, and sandy 
stream banks.  In other words, it grows in a variety of conditions.  So I 
would not worry about growing it in Oregon, especially since Missouri is also 
zone 6.  It does well in sun to 1/2 shade and blooms April-May.  It does 
prefer well-drained soil.  That makes me wonder if it is the one called 
"swamp iris" as swamps, by definition, are not well-drained.!  There are 
other iris species that do grow in swamps, but the ones I know are taller.  
From your description, I'll bet the one you have is Iris cristata.  If so, 
ideal conditions would be part shade, well-drained soil amended with sand or 
leaf mold, but NOT highly fertile.  If you are concerned about your drainage, 
you want to plant it on a slope.  It's a great plant.  Enjoy it!  --Janis


>>
Date: Thu, 29 Apr 1999 12:12:58 -0700
From: "Saxton, Susan" <SSaxton@Schwabe.com>
Subject: Missouri "swamp iris"

My neighbor gave me a darling clump of petite iris that she acquired from a
cousin in Missouri.  The foliage is typical of iris, but about 12" tall and
in amidst the foliage are these sweet little blue/yellow iris, again typical
in shape, but quite small.  Does anyone know the BOTANICAL name for these
plants?  Should I worry about growing them in Oregon?

Susan Saxton, zone 6b
>>

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