Perennial. Vivid, violet-blue flowers and dark purple calyxes bloom late Spring. Silvery foliage has dark stems. Upright. Grows 22-24in ht, 20-24in wide. Full sun. Attracts bees, butterflies. Zone 3
| Hardiness Zone | Zone 03: to -40 degrees |
|---|---|
| Moisture | |
| Light | Full Sun |
| Height | 18-24 in |
| Bloom Time | Late Spring |
| Bloom Color | Violet |
| Foliage Color | Silver |
| Habit | Upright |