Perovskia Blue Spire, Also Known As Russian Sage, Is An Aromatic Shrub Resembling Lavender With Its Upright Soft Blue Flower Spikes In Summer & Then Silvery Stems That Look Lovely In Winter, Especially When Rimed In Frost.an Excellent For A Dry, Sunny Spot Or To Line A Path, This Shrub Can Even Tolerate Poor, Shallow Soils & Drought-conditions Given That It Enjoys Full Sun.this Variety Of Perovskia Has Been Given The Rhs Award Of Garden Merit As An Excellent Garden Plant. Simply Grow Blue Spire In Free Draining Soil In Full Sun Towards The Centre Of A Bed Or Even On Its Own In A Container On A Sunny Patio Or Balcony.cut A Few Stems To Complete Late-summer Vase Displays- The Downy Tall Flowering Stems Make A Lovely Contrast To Late-summer Flowers Like Heleniums & Rudbeckias.