150 seeds. Rubeckia hirta. Biennial. 
 
Also known as Black-Eyed Susan. Hardy biennial in zones 4-9. Self-sows.
 
Height 30 inches. Spacing 18 inches.
 
Sowing Rubeckia Seeds
 
Start seeds indoors 8 weeks before the last frost date. Barely cover the seeds with soil. Full sun to part shade.
 
Photos courtesy of Diane's Flower Seeds