Improved branching, is more compact and has better plant uniformaty.
Perovskia atriplicifolia Blue Steel

Sow at 20-22°C. Sowing time garden: end of February. Sowing conditions: 1sd/plug; keep uniformely moist, not wet. Beware of damping-off. Germination conditions: do not cover; grow at 18-20C, after germination occurs. Grow at: 18-20°C. Transplanting: 6/7wk plug in 10,5 cm pot. Plant out end of May in full sun light. Cultivation: well drained soil , grow relatively dry; prefers chalky/alkaline soil. 140 Days from sowing to flowering.