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Interesting Facts

There are only about 8 known species of Ceratostigma.

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Leadwort   (Ceratostigma plumbaginoides)

Beautiful plant's foliage changes colors with the seasons. Mass in edgings, on embankments or between rocks. Great with Sedum 'Autumn Joy' or Phlox 'David'.

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Plant Types: Groundcover, Perennial
Light: Partial Shade to Full Sun
Height: 1 foot
Width: 1 foot 3 inches
Zones: 5a to 9a
Bloom Color: Purple
Special Features: Attractive foliage, Deer resistant, Naturalizing, Not North American native
Fertilizer: Blood Meal, Fish Emulsion, Miracle-Gro® Water Soluble All Purpose Plant Food
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Plant Care

In spring, root softwood cuttings or in summer, root semi-ripe cuttings. Can remove suckers in autumn or spring, and layer in autumn as well. Layering is a propagation method where a stem is pegged to the soil while still attached to the parent plant. This process induces rooting.

Plant Growth:

Deciduous and evergreen subshrubs and herbaceous perennials. Does well with full sun exposure and partial shade. Some species can reach heights of 4 ft. while others grow as ground covers. Grow Ceratostigma in a mixed or shrub border. In areas where Ceratostigma is not growing hardy, raise plants in a cool greenhouse with a minimum temperature of 35°F (2°C). During the day, set temperatures between 41-50°F (5-10°C), and at night, keep the temperature at 36°F (2°C).


In summer and into late fall, Plumbagos flower with clusters of intensely blue 5-lobed flowers that look like Phlox flowers.

Soil and Irrigation:

Although Plumbagos can tolerate inconsistent watering, they thrive with moderate to regular watering. After the flowers fade, apply a thick mulch around the base of the plant. Does best in moderately fertile and light, moist, but well-drained soil.


Fertilization is not generally required for good plant output.


For shrub species, after flowering, cut back flowered shoots to within 0.5-1" of previous year's growth.


Powdery mildew can be a problem.