As we head into winter, a season where an assortment of shrubs becomes more of a focal point in our gardens and a time when we are establishing ground covers, there is a tough and beautiful plant that combines the best of both worlds. Ceratostigma plumbaginoides is a low-growing evergreen subshrub that can serve both purposes.

This native of warm temperate regions of western China features attractive bright green leaves to 3 inches, with wavy margins. The red stems and red leaf borders in winter form a nice contrast. It is likely, however, to be the flowers that attract gardeners to choose this plant. They are a brilliant gentian blue, and though petite at 3/4 of an inch, cover the plant in the late summer and fall. The flowering precedes the red tones on the foliage, making for an extended period of interest.

This plumbago is extremely adaptable, growing equally well in full sun or part shade, and thrives in a wide range of soil types. It spreads by way of rhizomes and though not invasive can handle tough conditions.

Ceratostigma plumaginoides can indeed be used as a high ground cover, topping out at 6 to 12 inches, even in a problem area that may not have ideal soil conditions. It will scramble in and around other taller plants and is an excellent rock garden addition. It will even cascade gently over a low wall. It can, however, hold its own as a feature plant for the fall season, when less is in bloom.

For lovers of true blue flowers, ceratostigmas are an outstanding addition. My specimen anchors a narrow, sloping bed that borders my front walkway, making a lovely statement all on its own. This plant can also be used as a lobelia-like plant for spilling out of large containers.

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