Leadwort (Ceratostigma plumbaginoides). Hardy, herbaceous, late-summer flowering perennial groundcover Description: Bears terminal, spike-like clusters of brilliant azure blue flowers resembling woodland phlox; autumn foliage is richly red-tinted Habit: Spreading by rhizomes; grows 12 inches high and 18 or more inches wide Culture: Prefers evenly moist but well-drained soil and full sun to light shade; rich garden loam Attributes: Attracts butterflies, fall color, drought tolerant, deer resistant Hardiness:... - Leadwort (Ceratostigma plumbaginoides). |