| Tall Bearded Iris | |
| Iris |
| Classification: | Dutch, Spanish and English |
| Bloom Season: | Very Very Early |
| Bloom Color Classification: | Green White |
| Awards: | Knowlton Medal: 9812 |
| Life cycle: | Biennial |
| Sun Requirements: | Full Sun to Partial Shade |
| Soil pH Preferences: | Extremely acid (3.5 – 4.4) Slightly alkaline (7.4 – 7.8) Moderately alkaline (7.9 – 8.4) |
| Minimum cold hardiness: | Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F) |
| Maximum recommended zone: | Zone 11 |
| Flowers: | Malodorous |
| Underground structures: | Caudex |
| Propagation: Seeds: | Self fertile |
| Propagation: Other methods: | Other |
| Conservation status: | Critically Endangered (CR) |
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