Perovskia atriplicifolia Russian Sage Description Long spikes of silvery-blue flowers on tall plants in late summer. Aromatic foliage. Everyone seems to want this plant -- we sell out every year! Cut back to about 4-6" from the ground in spring. Characteristics Hardiness Zone: 4-9 Light requirements: Sun Height: 36-48" Native: No Sizes & Prices Size: 2 Yr $14.98 Other Information All Perovskia Perovskia atriplicifolia Russian Sage Zone: 4-9 Sun HT: 36-48" Perovskia atriplicifolia 'Blue Steel' Russian Sage Zone: 4-9 Sun HT: 24-36" Perovskia atriplicifolia 'Little Spire' Russian Sage Zone: 4-8 Sun HT: 25"