40 seeds. Salvia azurea. Perennial. 
 
Also known as Salvia pitcheri and Pitcher Sage. Seeds require 3 weeks of cold stratification to germinate. Hardy in zones 5-9. 
 
Height 48 inches. Spacing 18 inches.
 
Sowing Salvia Seeds
 
Start indoors in late winter. Barely cover the seeds with soil, then refrigerate for 3 weeks. Full sun.
 
Photo courtesy of Diane's Flower Seeds