Lavender-like purple-blue flowers are borne on silvery stems from late summer, above narrow, aromatic, silvery-green foliage. Russian Sage is a robust shrub which can thrive in poor and chalky soils in exposed areas, looking especially great planted en masse. Perovskia ?Lacey Blue? is British bred and has a neat habit, making it ideal for containers and borders. The foliage is aromatic and makes a good choice for planting down driveways. Height: 50cm (20?). Spread: 60cm (24?).