Geranium 'Bertie Crug' is a dense, creeping perennial to 4 inches tall with dark, colored leaves. The spring flowers are rosy-pink and provide a compelling contrast to the foliage. 'Bertie Crug' is a good choice for rock gardens, perennial borders, and container plantings. It is best sited in full sun and well drained soils with moderate water. Hardy to 0F.