Ceratostigma plumbaginoides

Ceratostigma plumbaginoides is also known as the Hardy Blue-flowered Leadwort, Hardy Plumbago, Blue Ceratostigma, Plumbago larpentiae, Ceratostigma larpentiae. It is part of the Plumbaginaceae family of plants. It is native to Western China. It is a low-growing mat-forming, herbaceous perennial. It is a hardy plant with red stems ovoid leaves and can stand to temperatures down to -10ºC or 14ºF. The leaves turn red or purple in autumn. In spring cut back any shoot damaged by the frost.

Ceratostigma plumbaginoides can grow to 50cm or 20in. It flowers in late summer and autumn, producing clusters of blue flowers. Plant it in the sun in a sheltered location in moist, fertile but well-drained soil. Propagate Ceratostigma plumbaginoides by softwood or semi-hardwood cuttings. It is generally pest-free, but watch out for powdery mildew.