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Iris tectorum Japanese Roof Iris
$9.95
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The roof iris (iris tectorum) is native to China, but was first discovered in the 1860s, growing in Japan on the roofs, hence the common name. It grows about a foot tall with a spreading, rhizomatous habit common to most irises.
Height 18-24 inches,
Leaves are light green, about a foot long, broadly sword shaped and slightly corrugated down their length. Instead of standing stiffly erect, the leaves arch over, making them useful as a graceful groundcover. The flowers appear in late April and early May atop a 2-foot long scape that has a couple branches, each of which produces one or two blooms.
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Data sheet
- USDA Hardiness Zone
- 4 through 9
- Bloom Time
- Late Spring
- Bloom Color
- White & Purple
- Mature Height
- Short (12-20 inches)
- Features
- Attracts Pollinators
- Gardening Tips
- Irises will absolutely not tolerate wet feet (too much water will cause the rhizomes to rot) and require very well-drained soil at all times of the year.
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The roof iris (iris tectorum) is native to China, but was first discovered in the 1860s, growing in Japan on the roofs, hence the common name. It grows about a foot tall with a spreading, rhizomatous habit common to most irises.