Shorter, bulkier version of Taiga, this perovskia's Silvery green foliage contrasts w/tiny blue flowers. Also known as Russian Sage, this is a perennial staple, and now there are seed produced varieties! Sky blue flower spikes beautifully set off slivery green foliage. Hardy in zone 5 and higher, Russian Sage is both heat and drought tolerant, perfect for landscaping and accent plants! Perennial zone 5-9.