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Height: 20" Width: 24" Sun: Sun to partial shade. Soil Moisture: Well-drained soil. Hardiness: USDA Hardiness Zones 5-8. Culture: Large 2 1/2" saucer-shaped, violet-blue flowers with white centers from early summer until frost above mounds of slightly-marbled, deep green foliage. Prefers average well-drained soils. Moist organic soils will promote spread. Tolerates summer heat better when given ample moisture and partial shade. Plants can be sheared to 3" to rejuvenate. Rarely needs division.
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