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Iris tectorum

 
Iris tectorum
Japanese roof iris
Iris tectorum
Better fall foliage than most irises

Common name Japanese roof iris
Family iridaceae
Life cycle perennial (Z4-9)
Flowers blue (spring)
Size 12-18"
Light sun-part shade
Cultural notes prefers humus-rich soil

Member of the crested iris group, with beardless, white-crested flowers and ribbed leaves. One or two of my plants started from seed in 2008 survived, and finally bloomed in May of 2013. But the flowers don't look quite right, compared to other photos I've seen of I. tectorum, so I may have to adjust this page when I find out what I have on my hands...

In our garden, this plant grows in the following area: rock garden

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PlantLinks to other web pages about Iris tectorum


Seed-starting details for this plant

  1. Seed from HPS/MAG '07/'08 exchange. Baggy 70F (19d) - 75F (6d) - 70F (12%G, 9-12d). Rest of seed to pot outside on 3/28/08; several germinated in June
  2. Same seed as above. Baggy 70F (45d; 2%G, 24d). Rest of seed to pot outside on 2/24/09


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Last modified: June 02, 2013
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