| Description | A tough verticle perennial for the full sun area of the garden. |
|---|---|
| Plant Type | All Plants, Perennials Hardy |
| Hardiness Zone | 5 |
| Sunlight | full |
| Moisture | average to well drained moisture retentive |
| Soil & Site | average to moist |
| Flowers | On tall stems and bloom from the bottom to the top. Alba is a white flowering form. A lot less common than the purple type. |
| Leaves | The thin linear leaves occupy the bottom 2/3's of the plant and are reduced in size up the stem. |
| Dimensions | 2-3 feet tall |
| Propagation | Species can be grown from seed and the tuberous root clumps can be divided or the individual tuber cut into sections. |
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