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Ceratostigma plumbaginoides
Excellent groundcover with clusters of the truest blue flowers in late summer; foliage turns a nice bronzy-red color in fall; flowers resemble that of woodland phlox, and the red calyces add a wonderful color contrast
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Plumbago will grow to be about 10 inches tall at maturity, with a spread of 18 inches. Its foliage tends to remain low and dense right to the ground. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 8 years. As an herbaceous perennial, this plant will usually die back to the crown each winter, and will regrow from the base each spring. Be careful not to disturb the crown in late winter when it may not be readily seen! This plant does best in full sun to partial shade. It does best in average to evenly moist conditions, but will not tolerate standing water. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution. Consider covering it with a thick layer of mulch in winter to protect it in exposed locations or colder microclimates. This species is not originally from North America. It can be propagated by division.
Height
12 inches
Width
18 inches
Exposure
full sun to partial shade
Water Needs
average to moist
Hardiness
Zone 4b-4b
Growth Rate
medium