Saliva – Sage LIGHT BLUE SALVIAS. Salvia Azurea grandiflora. This species is one of great beauty, bearing light azure colored flowers in great profusion upon tall, slender spikes. The plants grow from 3 feet to 4 feet tall and bloom from August until frost. S. farinaceaclosely resembles the former species, except that the calyx ; enclosing the flowers is a […]