Scientific Name
Iris tectorum
Common Name
Japanese roof iris

Characteristics

Season
summer
Height
12-18 inches
Hardiness
USDA Hardiness Zone 4-9
Flower Color
lilac
Soil
acidic, moist soil high in organic matter
Exposure
full sun to partial shade
Propagation
division in spring or fall
North Carolina Regions
Mountains, Piedmont, Coastal Plain
Comments
Iris tectorum is an example of the great diversity of exotic Iris species coming into the nursery industry. Japanese roof iris is useful in wet areas, such as around ponds and fountains.
Origin
Japan, China

Prepared by: orginally by Alice B. Russell, retired Extension Specialist, NC State University
                     maintained and expanded by Erv Evans, Consumer Horticulturist, NC State University

Images: ©Alice B. Russell and Erv Evans

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