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Bellflower Pearl Deep Blue, Campanula carpatica 'Pearl Deep Blue', displays deep blue bowl shaped flowers. This profusion of cup shaped, upward facing, 2 inch wide, vivid blue violet flowers, with lighter centers, floats above the mound of dark green foliage from late spring to late summer, if deadheaded regularly. It forms a compact, uniform clump making it a good choice for edging, containers, the front of borders, or growing among rocks. Campanula grows best in fertile soil with a neutral to alkaline pH. Lime can be added to the soil to obtain these conditions. Keep the soil moist but make sure it is well drained. Prefers to have its roots in cool soil summer mulch is useful, particularly in hot summers. This bellflower will grow in either full sun or partial shade, though some shade is recommended in areas with very hot summers. Cutting the plants back hard after flowering will keep them more compact, and may also result in a second flush of blooms.
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