Japanese Roof Iris is a tall deciduous perennial with long, sword-like foliage that fans from the base and large, bright purple beardless flowers with white crests in spring attracting bees. Grows best in rich, well-drained acidic soils. Drought, deer, and wet soil tolerant once established.
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Type: |
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Origins: |
China, Korea and Burma |
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Height: |
1' - 1.5' |
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Spread: |
1' - 1.5' |
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Spacing: |
1’ |
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USDA Hardiness Zone: |
4 - 9 |
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Culture: |
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Bloom Color: |
Purple |
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Season of Interest: |
MAINTENANCE NEEDS: Low Maintenance. Susceptible to viruses and plants with infected leaves should be removed immediately. Slugs and snails can cause significant damage. Mulch in winter.
LANDSCAPE USES: Accents or Group Plantings, Borders, Woodland Gardens, Water Gardens, Ponds and Streams, Naturalized Areas, Foundation Plantings, and Containers.
COMPANION PLANTS: Sedge, Turtlehead, Joe Pye Weed
IMAGES: H. Zell, Iris tectorum 001, CC BY 3.0, (2) H. Zell, Iris tectorum 002, CC BY-SA 3.0, (3) H. Zell, Iris tectorum 003, CC BY-SA 3.0
*As plants have ranges in appearance they may not appear as the images shown.
