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Iris tectorum
Common Name: Roof Iris Family: Iridaceae (The Iris Family)

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Roof iris has lovely, large, six inch wide blue flowers with white and purple markings. The foliage is arranged in fans of narrow, lance-shaped, ribbed, glossy, upright leaves that add a nice texture to the garden. Commonly called roof iris because it has in the past been grown on thatched roofs in both Japan and China.

Geogrpahical Origin:
Asia - China and Japan
Native Habitat:
Forest margins, sunny banks, meadows, damp places, beside water to 3500m. Grows wild on shaded rocky slopes and in scrub. Also found planted on thatched roofs in Japan and China.

ClassDeciduous  Primary Bloom ColourBlue 
TypePerennial  Secondary Bloom ColourWhite/Cream 
Height12-24'  Bloom TimeSpring 
Spread8-12'  FragranceNo 
Light ExposureSun Part Sun  Foliage ColourGreen 
Soil MoistureAverage Moist Dry Drought Tolerant  Stem Colour 
Hardiness Zone4-9  BerriesNo 
BC NativeNo    

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*The Plant Encyclopedia is updated each year to provide a close representation of our selection. Not all plants will be in stock at all times. If a certain plant is not available we might have a similar cultivar. We encourage you to email us at info at or call ahead to check availability (604) 270-4133.

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