Trim evergreen rosettes produce a bounty of dazzling cobalt-blue flowers with fetching white eyes throughout the garden season. This will naturalize with moderate self-sowing in many border situations, filling blank corners of the border with luminous twilight blue. Also grows in amended sandy or clay soils. Read more here. Tips from the pros: Can be marginally hardy. Plant in spring so roots can get fully established by fall. Good drainage essential - does not like soggy winter conditions. Remove spent flowers in early July to encourage longer blooming. Plant will eventually reseed.
|May to October
|Sun, Partial Sun
|USDA Hardiness Zone
|Clay, loam, sandy loam
|Good for Pollination
|North American Native
|Annual Commercial Maintenance
|Cut back to base every fall. Then rake up.
|5-10 Year Commercial Maintenance
|Remove old plants and replace with new plants. Allow to reseed
|Up to 8125 ft