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Plumbago

Ceratostigma plumbaginoides

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Plumbago (Ceratostigma plumbaginoides) at Ashcombe Farm & Greenhouses

Ceratostigma plumbaginoides in bloom

Ceratostigma plumbaginoides in bloom

(Photo courtesy of NetPS Plant Finder)

Plumbago (Ceratostigma plumbaginoides) at Ashcombe Farm & Greenhouses

Ceratostigma plumbaginoides flowers

Ceratostigma plumbaginoides flowers

(Photo courtesy of NetPS Plant Finder)

Height:  12 inches

Spread:  18 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  4b

Other Names:  Leadwort

Description:

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

Ornamental Features

Plumbago features showy clusters of blue star-shaped flowers with brick red calyces at the ends of the stems from late summer to early fall. Its glossy oval leaves are green in color. As an added bonus, the foliage turns a gorgeous red in the fall. The fruit is not ornamentally significant.

Landscape Attributes

Plumbago is an herbaceous perennial with an upright spreading habit of growth. Its medium texture blends into the garden, but can always be balanced by a couple of finer or coarser plants for an effective composition.

This is a relatively low maintenance plant, and is best cleaned up in early spring before it resumes active growth for the season. It is a good choice for attracting bees and butterflies to your yard. It has no significant negative characteristics.

Plumbago is recommended for the following landscape applications;

  • Mass Planting
  • Rock/Alpine Gardens
  • Border Edging
  • General Garden Use
  • Groundcover
  • Naturalizing And Woodland Gardens

Planting & Growing

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.

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.

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Massing  Rock  Edging  Garden  Groundcover  Naturalizing 
Applications
Flowers  Fall Color  Attracts Wildlife 
Ornamental Features