Learn about several plant varieties and the planting information for each zone.
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Deciduous to evergreen groundcover perennial with dark leaves and blue flowers in spring
Plant in rich, but well-drained soil
Plant in full sun to full shade; light to partial shade is best
May be invasive
Height: 3-6 inches; Width: to 24 inches, spreading
Hardy in USDA zones 3-9:
Zone 3: Plant in spring to prevent winter heaving; plant in full sun to partial shade; mulch after first hard frost; avoid contact with salt; pull back mulch in spring.
Zone 4: Plant in spring to prevent winter heaving; plant in full sun to partial shade; mulch after first hard frost; avoid contact with salt; pull back mulch in spring
Zone 5: Plant in spring to prevent winter heaving; plant in full sun to partial shade; mulch after first hard frost; avoid contact with salt; pull back mulch in spring.
Zone 6: Plant in spring; plant in light to partial shade; mulch in fall; pull back mulch in spring.
Zone 7: Plant in spring; plant in light to full shade; mulch in fall; pull back mulch in spring.
Zone 8: Plant in spring; plant in light to full shade; mulch in fall; pull back mulch in spring.
Zone 9: Plant in spring; plant in light to full shade; mulch in fall; pull back mulch in spring.
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