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They form a low mound of linear-shaped foliage and produce unique, spiked, ball-shaped clusters of violet-blue flowers.
| • | Medium |
| • | Drought Tolerant |
| • | Summer |
| • | Container Plants |
Grows best in an average to moist, well-drained soil, in full sun to partial shade and is drought-tolerant, once established. Often listed as a Zone 6, evergreen perennial it has survived in our display gardens for several years in Zone 5, but does not remain evergreen. Prune after flowering to maintain shape.