850 seeds. Nicotiana alata. Tender Perennial grown as annual. 
 
Hardy in zones 10 and 11. Grow as an annul in cooler zones.
 
Height 30 inches.  Spacing 12 inches.
 
Sowing Nicotiana Seeds: 
 
Start seeds indoors 6-8 weeks before the last frost date. Sow on the surface of the soil. Full sun to part shade.