| Tall Bearded Iris | |
| Iris |
| Classification: | Intermediate Bearded (IB) |
| Bloom Season: | Very Early |
| Life cycle: | Biennial |
| Sun Requirements: | Full Sun |
| Soil pH Preferences: | Very strongly acid (4.5 – 5.0) Strongly acid (5.1 – 5.5) Moderately acid (5.6 – 6.0) |
| Minimum cold hardiness: | Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F) |
| Maximum recommended zone: | Zone 4b |
| Flowers: | Nocturnal |
| Underground structures: | Bulb |
| Propagation: Seeds: | Suitable for wintersowing |
| Propagation: Other methods: | Corms |
| Conservation status: | Near Threatened (NT)
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