25 seeds. Lilium regale. Perennial Bulb in zone 4-8. 
 
Lilium regale 'Album' is the pure white version of Lilium regale. 
 
Height 3-5 feet. Spacing 12 inches.
 
Sowing Lily Seeds:
 
Start seeds indoors 10 weeks before the last frost date. Sow 1/4-inch deep. Germination begins in about 4 weeks. Full sun to part shade. 
 
Picture courtesy of Diane's Flower Seeds