Salvia ‘Crystal Blue’ Salvia nemerosa Color Spires® 'Crystal Blue' Type:Perennials Notable Traits:attracts butterflies/pollinatorsgreat cut flowerslow-maintenanceresistant: deerresistant: diseaseresistant: rabbittolerates clay soiltolerates harsh roadside conditions Hardiness:Zone 3 – 8 Mature Height:18-24in Light:part to full sun (6 hours or more sun)sun (8+ hrs) Water:drought tolerant Bloom Color:blue Bloom Shape:spike Bloom Time:fallsummer Foliage:green Description Striking cool sky blue flower spikes open over neatly mounded, aromatic foliage. Lovely when planted in drifts. Attracts butterflies and hummingbirds.