Russian Sage Perovskia atriplicifolia Description Blooms spikes of purple-blue flowers. Fragrant grey-green foliage. Bloom Period: Summer through to AutumnGrowth Habit: Upright, bushy and clump-forming Mature Height: 3’ to 5’ (90cm to 150cm)Mature Spread: 2’ to 3’ (60cm to 90cm)Growth Rate: Fast More Details Sun Exposure: Full sunCold Hardiness Zone: 5Drought tolerantDeer and rabbit resistantAttracts Butterflies and Hummingbirds