Sage Salvia 'Misty' blueIt will flower until the first frost. With striking and fragrant flowers. That is the sage 'Misty' (Salvia hybrida). The 'Misty' is a must have in the border. Butterflies and bees also love these blue, sage scented flowers. Plant the sage from March to July. The flowers bloom from May to November. The sage loves partial shade or full sun. Give it extra water during dry periods.