20 seeds. Salvia greggii. Perennial 
 
Also known as Autum Sage. Hardy in zones 6 through 10.
 
Height 30 inches. Spacing 18 inches.
 
Sowing Salvia Seeds
 
Start seeds indoors 6-8 weeks before the last frost date. Or sow outdoors after the last frost. Barely cover the seeds with soil. Full sun.
 
Photo courtesy of Diane's Flower Seeds